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YAY TWINCEST!", "count": "62", "submission_left_submission_id": "664287", "submission_left_file_name": "877794_cprime_my_brothers_valentine__complete_.txt", "submission_left_thumbnail_url_huge": "https://nl1.ib.metapix.net/thumbnails/huge/877/877794_cprime_my_brothers_valentine__complete_.jpg", "submission_left_thumbnail_url_large": "https://nl1.ib.metapix.net/thumbnails/large/877/877794_cprime_my_brothers_valentine__complete_.jpg", "submission_left_thumbnail_url_medium": "https://nl1.ib.metapix.net/thumbnails/medium/877/877794_cprime_my_brothers_valentine__complete_.jpg", "submission_left_thumb_huge_x": "150", "submission_left_thumb_huge_y": "127", "submission_left_thumb_large_x": "150", "submission_left_thumb_large_y": "127", "submission_left_thumb_medium_x": "120", "submission_left_thumb_medium_y": "102", "submission_right_submission_id": "731912", "submission_right_file_name": "984576_cprime_playing_together.png", "submission_right_thumbnail_url_huge_noncustom": "https://nl1.ib.metapix.net/files/preview/984/984576_cprime_playing_together.jpg", "submission_right_thumbnail_url_large_noncustom": "https://nl1.ib.metapix.net/thumbnails/large/984/984576_cprime_playing_together_noncustom.jpg", "submission_right_thumbnail_url_medium_noncustom": "https://nl1.ib.metapix.net/thumbnails/medium/984/984576_cprime_playing_together_noncustom.jpg", "submission_right_thumb_medium_noncustom_x": "120", "submission_right_thumb_medium_noncustom_y": "90", "submission_right_thumb_large_noncustom_x": "200", "submission_right_thumb_large_noncustom_y": "150", "submission_right_thumb_huge_noncustom_x": "300", "submission_right_thumb_huge_noncustom_y": "224" } ], "description": "In this story, Charlene and I turn 18 and gain some new freedoms (as well as a new secret spot to where we can 'bond'). It's also a time where I receive a couple of surprises.", "description_bbcode_parsed": "In this story, Charlene and I turn 18 and gain some new freedoms (as well as a new secret spot to where we can 'bond').  It's also a time where I receive a couple of surprises.", "writing": "Birthday Surprise\n\nEver since Charlene and I got our own rooms again our lives gradually became more independent from those of our younger siblings as we were becoming young adult foxes. However, the connection between Charlene and I remained as strong as ever and we often showed how we felt for each other when we were in the privacy of our rooms, aside from the occasional bat that popped up from one of the nooks or crannies that didn't get walled off by sheetrock*. Even though our mother specifically told us that she didn't want to see us sleeping together at night, Charlene and I usually ignored her as I would often go into my sister's bedroom and snuggle up with her at night, making sure the door was locked so that no one could interrupt us. We never got caught together in bed, so things seemed to be going fine in that regard.\n\nIn addition to becoming adults in the physical sense, we were also beginning to take on more responsibilities as well. In the summer prior to our Senior year in high school, Charlene and I both got jobs working for a newsletter along with several other students. It wasn't the first job I had, but it was the first job where I actually felt happy with what I was doing, allowing me to be far more creative in nature rather than having to wash nasty dishes**. For the most part, I was in charge of producing entertainment for the newsletter (such as cartoons and crossword puzzles) while Charlene was more involved with the photography. Our summer job also allowed us to do other things as well. For example, Charlene and I finally had the chance to spend a weekend alone together...no parents or half-siblings around, just the two of us as we worked together on a street race that happened to be going on in Minneapolis that weekend. It also allowed me to get a new doorknob for my door, one with a lock on it in where only Charlene and I would have keys to, further increasing the privacy we had in our rooms. The parental units weren't exactly thrilled when we did this, but since I had purchased it with my own money they allowed it under the condition that we left the door unlocked at night, which I did...although that was because I was usually in Charlene's room sleeping with her while HER door was locked.\n\nOutside of that, our lives continued normally through the first part of our Senior year of high school as we got closer to our 18th birthday and the time when Charlene and I would be officially considered adults. By the time January of 1998 started, it seemed like our mother was backing off from our private lives a little more. It seemed as if she had conceded the fact that we would soon be old enough to move out if we chose to and live on our own, under our own rules. However, neither Charlene nor I wanted to leave home yet. We both planned on going to college after High School and we both wanted to stay close to home until we were finished with college at least. Fortunately, our parents were willing to let us stay with them as long as we were either working or in school, so that wasn't a problem. Although we still had to keep our half-siblings from finding out how close we were to each other.\n\nThen, a few days before our 18th birthday, as Charlene and I got home from school, I noticed that the mailbox had an special envelope in it, one marked with red and orange stripes around the border. I had seen these types of envelopes before, and they represented mail that came from somewhere on Vulpes***. I grabbed it out of the mailbox and looked at as Charlene noticed it as well.\n\n\"Melissa Johannsen? Isn't that the cute mouse girl that you have a crush on?\", Charlene asked as she noticed it too as I pocketed the envelope and went inside.\n\n\"Yes sis, it is. Although I don't understand how she was able to find us\", I answered back while we went up to our room to open said letter as the house was empty at the time. \"I wonder what she could want\", I added a few moments later before Charlene wrapped one of her tails around one of mine.\n\n\"Probably the same thing I want...to spend time with her boyfriend\", Charlene answered with a giggle as I blushed a little to her comment, but also felt happy about it since Charlene and I did behave a lot like boyfriend and girlfriend.\n\nWe got up to our room a few moments later, closing and locking the bedroom door just to be on the safe side as I sat down in an old armchair that used to belong to the neighbors down on the bottom floor of the duplex with Charlene sitting down next to me. \"Well, aren't you going to open it and see what she has to say?\", Charlene asked a moment later as I revealed one of my claws from my fingertips and cut the top of the envelope.\n\n\"Don't rush me, sis. I don't know what's in here yet!\", I answered while carefully cutting through the top of the envelope, making sure to only cut the top without damaging the contents. Then, once I had finished, my claw went back to normal and I opened the envelope slowly. Inside the envelope was a single sheet of lined paper as well as a picture. I assumed it was a picture of Melissa, but I decided to go for the paper first to see what she had written. It had been folded into thirds to fit in the envelope and I slowly opened it up to reveal her message.\n\n\"Hi, honey fox. I've been waiting for a long time for this day to arrive and now that it's finally here, I'm feeling very excited\", the message read as I began scanning it. \"I know that your 18th birthday is coming up soon and I want to do something really special for you. So, I'm coming to Minneapolis this weekend so that you and I can finally see each other again. I've already made arrangements to stay at the Borealis hotel over by your airport. There's so much I've been wanting to do with you that I wish I could just leap through this paper and be there, but I know I'll see you soon enough...Love, Mel-Mel...XOXOXO\", the note continued as I noticed that there was something else written at the bottom.\n\n\"P.S.: I enclosed a little something to help get that fire of yours started, I'd ask you for a picture of yourself, but I don't know if it would get here in time, so I'll just wait until we're together again. I'll be coming to see you first on Saturday and then the two of us can go to the hotel from there.\", the note read before I finished it and set it off to the side, now going for the picture inside it.\n\nI pulled the picture out slowly and what I saw next made my mouth hang wide open. There was Melissa, sitting on the end of what I assumed was her bed...completely naked. I had seen Melissa in the nude before, but that was back when she was 12, she wasn't fully developed at that point in time. Now, Melissa was 18 and she was sexually mature as I looked at the picture with significant interest, notcing her large \"D-cup\" breasts and her sexy body. I felt my foxhood begin to unsheath to the picture while I sat in the chair speechless. Of course, Charlene noticed the picture as well and seemed to take an interest in it.\n\n\"Wow...she's changed quite a bit since the last time I saw her. I'm feeling a bit warm inside just looking at this picture\", Charlene commented before I looked to my sister and shook my head.\n\n\"Sis, don't get your hopes up. Just because you're bisexual doesn't necessarily mean she is\", I answered calmly, knowing my sister's past history with other females in high school.\n\n\"Well, you can't blame me for thinking about it, can you? I mean, look how attractive she is. Besides, wouldn't you like to be in a love triangle with Melissa and I?\", Charlene answered back, rubbing her nuzzle against my cheek as I blushed a little bit and continued to feel my shaft grow stronger inside my pants.\n\n\"Well, I don't think there would be any harm in that. However, don't force it on Melissa OK? Let her decide for herself what she wants. We don't know if she feels the same way about females as you do\", I told Charlene calmly before kissing her lips as I felt my knot emerge from the sheath as Melissa's picture and all this talk succeeded in making me horny. \"In the meantime though, maybe there's something you and I can do together. After all, we have the place to ourselves for the next hour or so\", I suggested to my sister after the kiss.\n\nShe thought about it for a second and noticed the bulge in my pants, reaching down to touch it on the inside. \"Alright...but we'll have to do it in a way where you won't be able to turn the tie with me\", she answered, referring to the fact that we were supposed to watch our younger siblings when they got home from school until one of our parents got home. I promptly agreed and we settled on having sex on her bed while I was lying on it. For the moment, I put the thought of seeing Melissa again off to the side so that I could bond with my sister, but it would only be a temporary distraction as I had to think of how we were going to get to the airport that Saturday.\n\nLater in the evening, I approached my parents with the letter as I tore off the part that mentioned the picture she sent me, explaining that Melissa wanted to see me and bring me back to a hotel that evening. They didn't seem to mind too much, but they also mentioned that if I did go it would have to wait until after our birthday party that afternoon. I agreed to the terms since Melissa did mention that she was coming here first and everything seemed to be settled, until later that night when everyone downstairs was sleeping and Charlene and I were in her bedroom together.\n\nWe were lying in bed as I had my arm draped around Charlene's lower body, snuggling up next to my sister while feeling my foxhood come out of its sheath, touching against her warm body. She turned to face me, touching her pink nose against my own and let out a sigh. \"You know, I've been thinking about that letter Melissa sent you and I wonder why she only invited you to the hotel\", Charlene calmly told me as we lay in bed as I listened and touched her cheek with my hand.\n\n\"Well, she IS my girlfriend, sis\", I answered softly as Charlene let out another sigh and reached down to touch my crotch, grabbing my foxhood gently.\n\n\"I know that...but don't forget that I'm your girlfriend too. I don't really mind sharing you with her, it's just that I don't want you to leave me. We've been together for so long that I don't know if I could handle being separated from you\", Charlene commented before I nuzzled my sister sweetly and brought my hand to rub up against her warm vaginal lips. The touch made her murr softly while I kept nuzzling her.\n\n\"Sis...no matter what happens between Melissa and I, you'll always have a special place in my heart. Who knows, maybe you'll get lucky and it'll turn out that Melissa is willing to go both ways\", I answered, trying to comfort Charlene as my sister started to return the favor by stroking my shaft with her hand. \"I don't think Melissa would want to keep you away from me. She knows how important you are to my life and I'm certain that when the time comes that we do get married she'll let you stay with us one way or another\", I added.\n\nCharlene seemed to calm down afterwards, both from a combination of my words and my gentle touching. \"Do you think you can convince her to let me come with you two on Saturday?\", she asked a moment later.\n\nWhile I kept touching my sister and kept feeling her lightly stroke my erect foxhood, I thought about it for a moment and sighed. \"I could try...but I don't know if she'd be willing to go with it. However, if she does want me alone, we can have our own private moment together before our birthday party\", I answered back before Charlene and I exchanged a kiss. \"However, let's worry about that on Saturday. It's getting late and we have school tomorrow. Plus, at this moment I'd much rather be having thoughts about you anyway\", I told Charlene before I removed my hand from her warm crotch and she released my shaft. Then, the two of us held each other tightly with my foxhood brushing up against her lower belly. As we started to fall asleep, I humped Charlene gently, letting my stiff and throbbing length brush against her belly fur while I listened to her murr happily as she fell asleep in my arms.\n\nEarly Saturday Morning (around 6 AM)...\n\nIt was still dark outside when I woke up on our birthday, snuggled next to Charlene in her bed. The only light that was in the room at the moment came from the small night light that Charlene had in her room, just giving off enough light so that we would be able to see where we were going in the middle of the night. Everyone else was still asleep downstairs and would likely remain so for a couple more hours yet, so I figured that this would be a good time to give Charlene my gift to her, but I had to wake her up first.\n\nTo do so, I began to lick the side of her neck, trying to see if that would get her to wake up. It did cause her to move around a bit in bed, but it didn't seem to work as well as I hoped it would. Perhaps it was because she was having a dream about me or something, I wasn't sure. However, it appeared that if I wanted to wake my sister, I'd have to do something even more bold.\n\nSo, I turned her around so she was facing me and licked her face, nuzzle, and nose, thinking that it was far more likely that this would get her attention than to have me licking her neck. Sure enough, I saw her eyes open up a few seconds after I began licking her face as she looked over at the alarm clock on her desk. \"C'mon...it's only 6:15 and it's Saturday, we don't have to be up this early\", she commented softly after I awakened her.\n\n\"Normally, I'd agree with you sis, but this isn't any ordinary Saturday\", I answered back to Charlene as her ears immediately perked up and she seemed to get the message. \"I figured it would be better if we did this now while we were alone\", I added as we got out of bed together with Charlene turning the light in the bedroom on. We were both completely naked, as we often chose to be whenever we slept in the same bed, only putting on clothes whenever we went downstairs from the bedroom. When we got out of bed, I watched as Charlene went to grab a bra, panties and her purple robe as I looked at her curiously. \"Wait...don't you want to exchange gifts first?\", I asked Charlene as she looked back at me.\n\n\"Don't you think it would be better if we had breakfast first? Especially if we're gonna...well, you know\", Charlene answered as I sighed and nodded.\n\n\"Alright, we'll have breakfast first. But I don't want to wake anyone else up right now, so we'll have to be quiet downstairs\", I answered back before I got out of Charlene's bed, stepped out of her room back into my bedroom to go grab a pair of boxers and a long t-shirt. Then, once Charlene and I were dressed, the two of us went downstairs and made our way to the kitchen to grab something to eat.\n\nAt that point in our lives, breakfast usually consisted of whatever kind of cereal was in the cupboard. Usually, our parents got the kind of cereal that came in bags as opposed to boxes, but the products inside said bags were more or less the same as the brand-name products. It didn't really matter to us at that point, as long as it tasted decent, we'd eat it.\n\nWe had our breakfast in the dining room while it was still mostly dark, being careful not to wake up anyone in the house in the process and then made our way back up to our bedrooms shortly thereafter. We stopped in my bedroom as I went to sit down on my chair with Charlene sitting in my lap with her hands on my shoulders. She kissed me on my lips and then rubbed her nuzzle against mine. \"Happy Birthday\", she told me sweetly, murring while rubbing her soft nuzzle against my own.\n\nI placed my arms around Charlene, kissed her pink nose and rubbed my nuzzle along hers. \"Happy Birthday, sis\", I answered back, as we spent a couple minutes just sitting there, rubbing our nuzzles against each other, enjoying the warmth of being so close to each other. But then, I remembered that I had something to give Charlene. \"Sis, as much as I'd like to keep doing this with you, I think it's time that we exchanged our gifts\", I told Charlene softly. However, Charlene wrapped her arms around me a bit tighter and kept nuzzling me.\n\n\"Why? Wouldn't it be better just to spend some time together while we can?\", she promptly answered, not wanting to let me go as I felt a bit conflicted. On one hand, I did want some alone time with Charlene, but at the same time I had a special gift I wanted to give her and I didn't want to wait.\n\n\"I want to...but there's something I want you to see and I want to keep it between the two of us\", I mentioned to Charlene as she let go of me.\n\n\"Alright, we'll do it your way\", she commented as she reluctantly got up from my lap and went back towards her bedroom. Meanwhile, I got out of the chair and went into my dresser drawer pulling out a box wrapped in purple wrapping paper with a pink bow on it. Between the job we had over the previous summer and money earned doing other activities I had saved up to get Charlene something extra special from a jewelry store. I kept the box hidden inside my underwear drawer, thinking it was unlikely that Charlene would look there.\n\nWhen I had the box, I went back over towards Charlene's room as she came out first, carrying a much bigger box than the one I had. It looked to be about the size of boxes that contained a sweater or some other kind of clothing that I periodically got from our parents at Christmas time. However, I didn't think it was actual clothing in there...especially since it felt fairly heavy when she gave it to me and took the box I had for her. The box Charlene gave to me had dark blue wrapping paper on it along with gold ribbon and it also had a tag on it. \"P.S.: Make sure you keep this to yourself once you open it\", the tag read, making me wonder what was inside. However, as much as I wanted to find out, I wanted Charlene to open my gift first, so I waited and watched as she curiously unwrapped the package.\n\nOnce she got the wrapping paper off, she opened the cover to the box revealing two jewelry cases. I watched her eyes light up excitedly as she took one out and opened it, revealing my gift to her. It was a gold necklace with a garnet and crystal yin-yang symbol charm on it (I wanted to get diamonds, but I didn't have that kind of money at the time. It would be about another 5 years before I could give her the gift I intended to give her). She seemed to appreciate the gift quite a bit though as she turned the charm around and saw something etched on the back of it.\n\n\"Um, why does it say 'Bro' on the back?\", she asked me as I blushed and felt a bit sheepish.\n\n\"Oops, you must've opened the one that was intended for me first. I bought two of them, one for you, one for me. Yours has 'Sis' on the back of the charm\", I explained as it seemed Charlene got the message, opening up the second box to reveal her necklace. \"I figured that since we're so close to each other that we should have something between us that we could share\", I explained to Charlene as she took the necklace out and placed it around her neck. Then, I watched as she came over to me, put my charm necklace around my neck and kissed me on my lips.\n\n\"That was very sweet of you. However, now I can't help feeling a bit ashamed of myself for not thinking of a better gift for you\", Charlene commented as I looked back at the box she had for me.\n\n\"Why? There aren't really clothes inside that box are there?\", I asked as she shook her head.\n\n\"No, it's not that. It's just that...well, you probably spent a lot on these necklaces, and I only wish I had spent a little more on you\", Charlene answered sheepishly before I kissed her on the nose and nuzzled her softly.\n\n\"Sis...you don't have to spend a fortune on me to show that you love me. The reason why I bought these for us is because I wanted you to know that you're important to me\", I answered calmly. \"I'm sure whatever you got for me will be fine\", I added before I went back towards the box she gave me and opened it up. Once I got the wrapping paper off, I saw that it was indeed a plain white box that usually contained clothing, but when I removed the cover I saw something much different.\n\nIt was a hard cover photo album, with a dark red cover with gold lettering that made my eyes open a little wider. \"For the one that I love?\", I asked curiously, seeing Charlene blush a bit when I did.\n\n\"I had a little help getting this ready for you\", Charlene answered before I opened it up and saw that the first page of it was a handwritten note from Charlene.\n\n\"Hello! You're probably curious about why I chose to give you this as your birthday present. Well, I know how much you love me and how much you like doing...well, you know what we've done together. So, I thought it would only be appropriate if I gave you a little something to help fuel that fire of yours whenever I can't do it for you. Just make sure you keep it in a place where our siblings can't find it, because it contains stuff that shouldn't be seen by their eyes\", the note read as it made me wonder what was inside.\n\n\"Sis...is this photo album filled with naked pictures of you?\", I asked curiously.\n\n\"Not entirely, but something like that\", she answered with a blush and a giggle as I looked at my sister and felt a bit sheepish.\n\n\"I appreciate the thought, but you know that I like it a lot more when I can see and feel you, right?\", I answered back while blushing as Charlene came over to me and wrapped her arms around my lower body.\n\n\"I know...but what if you're feeling horny and I'm off visiting one of my girlfriends? If I can't be with you in person, I'd like to be able to be with you in spirit\", Charlene commented. \"Besides, there's more than just naked pictures of me in there.\", Charlene added a few seconds later, stirring my curiousity a little more.\n\nI began to scan through the book a little bit, coming to the first page after the note. It was a picture of Charlene in a place that I didn't recognize, wearing a cheerleaders outfit...a University of Minnesota cheerleader outfit. Right away, this brought up quite a few questions as while Charlene did mention she was going to the U of M after high school, she wasn't a student there yet. She also didn't seem to be the cheerleading type from what I could tell.\n\nI looked at Charlene, feeling a bit puzzled, but she giggled and moved in a bit closer to me. \"I told you I had some help making this. Besides, that picture is only the beginning, there's a lot more in there that'll make you feel excited down there\", she explained softly, flipping ahead a few pages to a picture of her holding up the skirt of the uniform. It was there I realized that Charlene was not wearing panties underneath the uniform and I had a clear view of her vaginal lips.\n\n\"Oh my...\", I called out when I saw the picture, beginning to feel my foxhood stir inside its sheath while scanning through many more pictures of Charlene in playful poses and in various states of dress. In one picture, Charlene was leaning up against a chair, bent over with her two tails raised high and a clear shot at her naked backside while she was looking back at the camera. In another picture, Charlene had the top part of the uniform off with maroon and gold pom-poms playfully covering her breasts. Then, in another picture, she was completely out of the uniform sitting with her legs spread open with one pom-pom covering her crotch and a note written on the picture.\n\n\"I'll bet you want to see what's underneath here, don't you?\", the note read in a playful tone as I felt my foxhood appear from the sheath, growing longer the more I stared at the playful pose, realizing just how sexy and playful Charlene could be if she wanted to. But that wasn't all. I was only about halfway through the photo album, there were more pictures inside of it. In addition, I could feel Charlene slip a hand down into my boxers and grab my sheath softly.\n\n\"Those pictures are making you feel excited, aren't they? Well, if you liked the pictures of me by myself, wait until you see what's on the next page\", she coaxed, stroking my sheath lightly, helping make my foxhood come out as I began to pant, getting ready to turn the page.\n\nWhen I did, I saw Charlene back in the cheerleader outfit, but I also saw another female I didn't know with her. The mystery female was a vulpix and she wore a cheerleader outfit much like Charlene's, only she appeared to be slightly taller than my sister. The next page featured the two females kissing each other while the vulpix female was groping at Charlene's breasts. I knew for several years that Charlene went both ways sexually, she had told me about her feelings towards other females during our first year of high school. However, this was the first time I had ever seen female-on-female action in my life, and this was only the beginning.\n\nA couple pages later, both Charlene (now in her vulpix form) and the other vulpix girl were completely naked with the unknown female on top of my sister and the two of them holding hands. The unknown female had her six tails raised high and I caught a good look at what I assumed was a very warm and inviting vulpix vagina (in addition to my sister's). This caused my foxhood to come out even faster and begin throbbing while Charlene's hand moved up a little more to touch my actual shaft. \"Don't stop now...the best part is yet to come!\", Charlene told me playfully, giving the exposed portion of my shaft a light squeeze as I flipped through more pages of the photo album.\n\nAs I went through them, I saw pictures of Charlene and the other vulpix girl taking turns licking at each other's vaginal lips, and then I got to the part where the two of them began to trib against each other. Charlene giggled when I got to that picture. \"That was a very hot experience for me\", she commented as I looked at my sister, feeling my knot come out of the sheath and her hand touching it as I blushed and felt very horny.\n\n\"Yes...I can imagine so\", I answered back, feeling my length twitch with life as I looked at the picture, and then at my sister, beginning to think that I wanted to have the real thing and feeling certain that Charlene was thinking the same way.\n\nI flipped through a couple more pictures of them tribbing against each other, including the picture where they both climaxed, leaving both of their crotches soaked in vaginal juices. This made my tip spurt a little bit of precum and my tongue stick out of my mouth a little as I panted with excitement. Then, I finally arrived at the last page of the book, which had Charlene and the vulpix female holding hands while looking at the camera. \"There's room for one more here if you want it. Let's make a date together and have a threesome!\", a note on the final picture read as I saw Charlene's signature on it and the signature of her vulpix playmate.\n\n\"Valerie?!! Who the hell is Valerie?!!\", I commented as I never knew any female by that name. However, Charlene was quick to answer my question.\n\n\"She was the one who helped me discover my bisexuality...and she also knows about us. She's been curious to meet you for several years, but I haven't told you this until now because I wanted to make sure she didn't take you from Melissa\", Charlene explained as I continued to feel a bit puzzled.\n\n\"Well, if you didn't want her to take me from Melissa, why did you do this with her?\", I asked my sister curiously.\n\nCharlene immediately blushed and looked a little shy. \"Because I love her every bit as much as I do you\", she answered sheepishly. \"I know you probably could never have feelings for her the same way I do, but I think she's aware of how you feel about Melissa now and wouldn't try to wedge herself in between the two of you\", she added. \"Anyway, we can make a date if you want to sometime after this weekend. Besides, I know you have other thoughts on your mind right now\", Charlene continued as I looked at my sister, murred excitedly and dropped the book down on the floor before I took her in my arms and let the bulge in my boxers touch against her crotch.\n\n\"Yes...and I think you can guess who I'm thinking about right now\", I answered back playfully, feeling my erect foxhood throb for Charlene's warmth as I saw her smile. She kissed me on the lips briefly and hugged me tight, rubbing her cute pink nose against my own for a moment.\n\n\"Then lets change into our vulpix forms and go outside so we can take care of that!\", she suggested eagerly as my ears twitched and my mouth hung open.\n\n\"Outside...in the backyard? Do you think that's wise, sis? After all, it's going to be daylight soon\", I answered, feeling a bit worried that someone would catch us at an inopportune time. However, Charlene placed a fingertip on my nose and smiled.\n\n\"That's one good thing about being an adult. We can go anywhere we want now\", Charlene answered as she seemed to have an idea. \"Trust me...I know of a place where we can do it outdoors where we won't be bothered\", Charlene added a few seconds later.\n\nI had faith in my sister and agreed, getting a t-shirt and a pair of jean shorts on after changing into my vulpix form while Charlene got a purple t-shirt and her own pair of jean shorts on after she changed into her vulpix form. Then, once we were ready, Charlene and I kissed, took each other's hand and walked down the stairs out the backdoor of the duplex.\n\nIt was a cold morning outside, but that wasn't too unusual for mid-January. Besides, in our vulpix forms, the cold never seemed to bother Charlene and I as our internal body heat kept us plenty warm. By the time we left home, it was still mostly dark outside, but the sky was beginning to brighten up a bit as sunrise approached and things still seemed pretty quiet in the neighborhood as everyone seemed to either still be in bed, or just waking up.\n\nCharlene and I walked together from our house moving up a few blocks until we reached a railroad bridge a few blocks from our high school. Not far from the bridge, there was a small patch of evergreen bushes next to the hillside that led up to the tracks and Charlene led me there.\n\nWhen we got to the bushes, Charlene and I went through the small opening between a couple of them from the side, having to get down onto our hands and knees to go through the opening without getting twigs and branches in our way. Once we were through, I looked around and saw that the space was completely surrounded by all sides by bushes that were about 6 feet tall. There had been an open space in the middle of the ring of bushes about 10 feet around and about 10 yards from the train tracks.\n\nI had noticed the bushes before, but I never thought that there was anything behind them. \"Sis...how did you find out about this?\", I asked her curiously as she was the first to stand up and take off her shirt and shorts.\n\n\"Valerie and I used this as our private love nest ever since she found it a few years ago. I don't think she'd mind if I told you about it, just as long as you keep this between the two of us\", Charlene answered as I stood up and took off all of my outer clothes, leaving only the boxers on. I hadn't stopped thinking about those pictures I saw of Charlene a little bit ago and my foxhood was still erect from them, twitching a bit inside my boxers as I watched Charlene take off her bra and then slip out of her panties.\n\nShe then turned towards me, quickly coming up to meet me in the middle of the circle as she grabbed my stiff cock with her hand and kissed me on my lips. I murred happily and placed my hands on her cute tush, grabbing it tightly while my tongue plunged into her mouth, swishing inside it while hers did the same for mine. We exchanged our fiery breath as we kissed, feeling the warmth inside us easily overpower the below zero weather as my foxhood kept twitching and spitting precum from the tip.\n\nCharlene soon released her grip on my length and moved her hands to my boxers, dropping them down to my knees before she moved in closer while we kept kissing. Her hot vulpix vagina touched my throbbing shaft, rubbing softly against it while showing just how eager Charlene was to get it back inside her passage. As she rubbed against me, I started to feel the dampness increase down there while Charlene's hands were groping at my butt cheeks just as tightly as I was with hers. It made me want to give her a hot injection of my seed even more, and I was certain that she was well aware of this.\n\nEventually, we stopped kissing as Charlene let me go, allowing me to finish removing the boxers. She stayed very close to me after I was completely naked, placing her hands on my shoulders while looking at me with her light blue eyes. \"Why don't you go ahead and have a seat on the ground and I'll sit in your lap\", Charlene suggested as I looked at her curiously, thinking about what she told me.\n\n\"You don't want me to turn the tie with you this time?\", I asked curiously, knowing that we usually did this every time we had sex.\n\nCharlene shook her head and nuzzled me. \"Well, I would...but I don't think we could stay away from home for too long. Besides, I think it would be better if you saved that for Melissa anyway. So, we can just do it while I'm sitting on top of it this time\", Charlene explained.\n\nI saw the logic in her thinking and agreed, finding a spot to sit down in the snow as the warmth from my body instantly melted it. Once I was in position, I waited there, my foxhood still erect and aroused, spewing precum from the tip while it 'danced' for Charlene. She giggled playfully and moved closer to me, putting her hands on my upper chest while I felt her sit down in my lap, pressing her hot outer lips against the meat of my foxhood. By now, Charlene's insides were fully aroused and responsive. Her vagina was dripping with juices and making my shaft a little bit more slippery as she rubbed up against me.\n\nMy hands went to Charlene's hips, holding them firmly while she continued to rub against me, making my foxhood twitch and spurt precum onto my lower belly. She looked down at it and giggled before looking back at me. \"I suppose you want to have it inside me now, don't you?\", she asked in a playful manner as I nodded and kept holding her hips in my hands.\n\nShe giggled again and moved up towards me a little more, taking one of her hands off my chest and reaching down to grab my shaft. I felt her point the tip of my foxhood towards her vagina, having it touch against her opening for a second or two before she released her hand and slowly lowered herself onto my throbbing maleness. I closed my eyes while Charlene was letting my shaft go inside, feeling the intense heat of her vulpix vagina around me, making my foxhood begin to thicken inside her already as it pressed against her walls. She squeezed me back as she normally did, making an already enjoyable feeling even better.\n\nCharlene moved slowly, taking her time in letting me enter her. I didn't really mind it though since it felt so good to me that I wanted it to last as long as possible before I climaxed. She kept moving down on my shaft until all but the knot was inside, as I felt my bulb pushing against her outer lips and clitoris a bit, feeling her love button become a bit more swollen and twitch a little once I was deep inside. At that time, her arms wrapped around me tightly as she leaned in closer to me, kissed the tip of my nose and rubbed her nuzzle against my own. \"There...now make sure you hold onto me tight\", she commented softly a few seconds before I started to feel her move in my lap, rocking back and forth a little bit, massaging my shaft with her tightness.\n\nI started to pant a bit when she did this and couldn't help joining in, humping against my sister, allowing my knot to push against her outer lips a little bit before I'd pull back a little and then move back inward once again. The feeling was very hot and very moist, making it easy for me to move within her, and the tightness of her vaginal walls helped to make my precum shoot into her reproductive tract, coating her cervix in it while I felt a tingling sensation begin to build in my balls.\n\nWe started to kiss again shortly thereafter, each of us putting our tongues into each other's mouth while feeling the fiery breath of one another add to the experience. This caused each of us to have smoke periodically come out of our noses during our union, with the combination of humping and grinding continuing. At the same time, our necklaces (which we had put on before we left) were joined together just as we were, further showing the bond that Charlene and I had as both twins and lovers. However, as time passed, I started to feel the pressure in my balls growing more intense and my desire to cum inside Charlene gradually increased.\n\nWhile it felt good to kiss my sister and hold her like this, I wanted to deliver my hot and sticky cream into her uterus, make her feel hot on the inside for hours and let her know exactly what she meant to me. I also knew that Charlene was eager to receive my seed, she always was whenever we had sex in the past, especially around this time of the year. While it wasn't our \"mating season\" yet, it was getting close to that time of the year where both of us were the most sexually active and our bodies were beginning to ramp up towards the coming mating season. In addition, I felt Charlene actually move one of my hands to her belly while we were kissing and embracing, giving an indication that she wanted me to fill her and possibly even do more with her reproductive tract.\n\nThis definitely caught my attention and made me stop kissing Charlene as I looked into her eyes. \"Sis...are you telling me what I think you're telling me?\", I asked curiously as she stopped moving in my lap and looked at me.\n\n\"If you're thinking that I want to make pups with you, then yes...it is\", she answered back, kissing my nose as I immediately felt a bit sheepish. A couple years before we had learned that we had a rare genetic condition (the same condition that also gave Charlene her pink nose). It was a condition that worked to correct any possible genetic defects that might be created as a result of inbreeding, which meant that Charlene and I could conceivably have pups together if we wanted.\n\n\"But sis, we're only 18. I mean, not that I wouldn't mind having pups with you, it's just that shouldn't we wait a few years before we do this...especially considering that Mom would go through the roof if she found out that I made you a mother?\", I explained to Charlene while thinking about pulling out of her to prevent this from happening.\n\nHowever, Charlene giggled and kissed me on the nose again. \"Silly boy, I didn't mean today...although, personally I wouldn't mind having you knock me up on our birthday. I'm not ready to have pups yet, not until after college at least. However, I do want to make pups with you at some point in our lives...just not right this second\", she answered.\n\nHer comments made me think about what it would be like if I did make pups with her. While a couple of vulpix pups would've been nice, I thought more about doing it while we were in our normal forms. I wondered if we would have a set of twins just like us, and wondered if those twins would develop a bond with each other much in the same way that Charlene and I had. These thoughts intensified my sex drive and I felt my shaft begin to grow much thicker inside her canal. Furthermore, it also seemed to go a little bit deeper into her passage, pushing against her cervix with my knot still outside of her vaginal opening. In addition, I felt a strange sensation beginning to overcome my entire body, an intense heat radiating from within, rushing to the various parts of my body and getting Charlene's attention.\n\n\"Oh my...is it just me, or have you gotten much bigger and much warmer inside me in the last few moments?\", she asked curiously before I let out a playful growl and grabbed my sister's hips tightly before rolling over on the snow. I didn't feel like having her on top of me any longer, I wanted to lead now.\n\nWith my shaft seeming to grow inside her and my tip now poking into her cervix, Charlene blushed and looked at me with a surprised appearance on her face. \"You really do want to breed with me, don't you? Well...you can fill it up all you want, but you're not going to give me any pups today. I'm still on those yiffberries, remember.\", she answered back as I looked down at her and murred, taking a moment to lick Charlene across her neck. She giggled softly and placed her hands on my buttocks, grabbing them firmly. \"OK...I get the point. You can try to do it to me right now. However, if for some reason I do get pregnant, you have to promise that you'll get a job right away and help support our pups\", she commented playfully while her hot vaginal walls seemed to warm up around me a little more, grabbing my horny foxhood a bit tighter and making me pant excitedly.\n\nI began to thrust rapidly into my sister's tight vulpix hole, feeling the heat of her body and inside my own increasing by the second. My knot kept bumping vigorously against her outer lips, pulsating with life while precum was spurting into the lower part of her uterus. I didn't know what was happening to me at the time, but I was becoming aware that the tip of my shaft had changed shape and lengthened inside Charlene, now able to go through her cervix and deliver my precum directly to the womb.\n\nCharlene seemed a bit confused by these developments, but the spurts of hot precum seemed to calm her down as she kept holding me tight as I licked her neck again. \"You've gotten so long and thick inside me...how are you able to do that?\", she asked curiously, feeling my thick maleness rub against her tight insides while they quivered around me, drenching my shaft with her hot juices and massaging my length vigorously.\n\n\"I...don't know\", I answered while thrusting rapidly, feeling the pressure inside my balls growing rapidly while my length throbbed with life and my knot got closer to going inside her passage. During this time, I closed my eyes and concentrated on the feeling I was experiencing inside my sister's passage. Thinking about her hot vulpix walls spasm tightly around my maleness and thinking about the moment where her maternal instincts kicked in and released fresh eggs into her fallopian tubes, awaiting my sperm to fertilize them.\n\nWhile these thoughts were going through my head, I felt my own body temperature suddenly spike all over, like an intense hot flash that made me yip excitedly. I didn't know what was going on, but for some strange reason it felt really good. In fact, it felt so good to me that I immediately pushed my knot into Charlene, feeling it grow within a matter of seconds right before an intense rush of semen exploded from my tip, flowing freely into her vulpix womb.\n\nMy orgasm caused me to howl loudly and tilt my head toward the sky, releasing a fireball from my mouth that shot about 20 feet or so into the frigid January air before dissipating. It was at that moment, the hot feeling inside my body started to fade a bit, even as my shaft was throbbing, spurting more seed into Charlene as her walls had clamped down tightly around my large knot.\n\nI opened my eyes a few seconds later and looked down at my sister, feeling our genitals bonding us together during this intimate moment as I reached out to touch her cheek, caressing it softly. However, as I did, I noticed something different about me. The fur on my hand was no longer red, it had become a whitish-yellow in color, and my body (while not as warm as it was during my orgasm) felt hotter than it did when Charlene and I walked to this spot.\n\nShe opened her eyes up and took a look at me, opening her mouth wide at what she saw. \"Hey...that's no fair! How come you get to change into a ninetales and I'm still a vulpix!\", Charlene answered somewhat jokingly, although the word 'ninetales' definitely caught my attention.\n\n\"Ninetales...did you say that I look like a ninetales?\", I asked my sister while we were still stuck to each other with my semen still spurting freely into her uterus.\n\n\"Well...yeah, what did you expect me to say?\", she answered back as I was curious to see for myself if she was telling the truth, but I couldn't do so until my orgasm ended and I could pull out of her.\n\nIn reality, what I think happened was that my experience with Charlene was the final encouragement I needed to make the transformation from a vulpix to a ninetales. It made sense that I would change before she did, after all I did use my vulpix form more often than Charlene, and for longer duration. However, I soon focused back in on Charlene as we continued to remain stuck together with more of my seed spurting into her, but at a more periodic pace than a few moments ago while I touched her belly with one of my hands.\n\n\"So...how 'bout it sis? Are we going to have some vulpix pups this spring?\", I asked curiously, wondering if Charlene was able to overcome the effects of the yiffberries and ovulate.\n\nShe shook her head and sighed. \"Sorry, but I don't think so. I told you that I was on those yiffberries and probably wouldn't be able to ovulate\", she answered as my ears drooped down and I felt a bit disappointed. She then reached a hand up towards my face and caressed my cheek softly. \"Don't feel too bad though...you know I want to do it with you, and we will do it eventually...I promise you that. Besides, wouldn't it be better for both of us if we waited until after college to breed? Who knows, maybe by then I'll be able to change into a ninetales as well\", Charlene commented as I looked at her and smiled.\n\n\"It doesn't matter to me what form you're in, sis. You'll always look attractive to me\", I answered softly before moving in to kiss Charlene on her lips while I kept spurting semen into her hot vulpix womb. We continued to kiss each other throughout the remainder of my orgasm, lasting several minutes until the tingling sensation in my balls died down and my shaft began to relax, with my tip retreating back to its normal length and returning to it's normal shape.\n\nI had left Charlene's womb thoroughly filled with my seed, leaving behind a hot sensation that would remain with her long after I pulled out. Then, once I did finally remove my shaft from her opening, I stood up, reached out for my sister's arm and helped her back up to her feet. She then put her arms around me and rubbed her pink nose against my own. \"You know, I kind of wish that you did make me pregnant. I have all of this hot and sticky cream of yours deep inside me with all those sperm swimming around in it. I feel a bit sad that it's all going to waste\", Charlene told me before she kissed my nose. \"However, someday, you and I will do this for real. I don't know when that will be, but I think it would be a wonderful idea if you and I made some pups together on our birthday...or any other time\", Charlene added before I hugged her tight and kissed her nose.\n\n\"I know we will\", I answered softly, before I realized that we had stuff to do today. \"However, I think we should be getting home now. I'm sure Mom and the others are awake by now and they might be wondering where we are\", I added as Charlene remembered that we were supposed to be having a party today and agreed. We soon got our clothes back on, though it was a bit harder for me to get my tails through the tail hole in the shorts now that there were nine of them, and then headed back for home.\n\nOnce we got home, Charlene and I changed back into our normal forms while heading up to our bedroom to change into more appropriate clothing. However, as I opened the door to my bedroom, I was surprised to see that our mother was standing in the room, wearing the dark blue robe that Charlene and I gave her for Christmas a year earlier. She looked at us with her blue eyes and was tapping her foot on the ground. \"How nice of you two to show up\", she told us in a somewhat sarcastic tone as Charlene and I blushed for a moment.\n\n\"Look...Mom...we only left the house so that Charlene and I could be alone, you know what I mean? You told us that you didn't want to catch us doing...well, you know what, so we were doing what you asked us to do\", I explained to our mother as she rolled her eyes and sighed.\n\n\"No...if you really wanted to do what I wanted you to do, you two would stop this once and for all\", she answered back before sighing again and shaking her head. \"However, you two are old enough to decide what you want for yourselves. Pretty soon you'll both be done with high school and off to college, and then you'll be on your own\", she added before coming towards the two of us. Then, our mother did something to us that neither Charlene nor I expected her to...she hugged both of us at the same time.\n\n\"It is apparent to me that you two mean a lot to each other, so I've decided that maybe I should do something special for the two of you on your 18th birthday\", Mom explained to us as Charlene and I listened curiously.\n\n\"Like what?\", Charlene asked while we were hugging our mother.\n\n\"Well...do you remember how you two used to share the same bed together when you were little...before I found out about how you two really felt about each other? I figured that since you and your brother mean so much to each other that it was only fair that you should be able to sleep together at night...if you really wanted to. So, your 'father' and I agreed to give you your own queen-size bed to share. He'll be putting it in Charlene's room after the birthday party\", she added.\n\nI couldn't believe my ears. After all the years Mom tried keeping us from sleeping in the same bed, she was finally giving Charlene and I the freedom to sleep together once again without butting in. \"However, I still expect you two to be responsible young adults and keep your behavior confined to your bedroom or somewhere outside of the house. I can live with you two acting like this, but I don't want your brother and sister to get curious about it\", Mom explained to both of us as Charlene and I agreed, even though we both thought that our younger siblings didn't have the same connection with each other that Charlene and I shared.\n\n\"Now...I want you two to change into something nice. Your 'father' is taking the three of us out to breakfast this morning\", she added a few moments later as Charlene and I looked at each other and shook our heads.\n\n\"If I would've known that, I wouldn't have eaten anything before Charlene and I went out!\", I thought to myself while looking at my sister, seeing that she was likely thinking the same thing. However, we didn't have a choice about this. It was our mother's birthday as well as ours and this must've been a part of the plan of the day. So, as Mom went downstairs to change out of her robe, Charlene and I got dressed into more appropriate attire for the season and went to breakfast with our mother and step-father.\n\nLater that day, around 4 PM...\n\nAs our birthday party was winding down and as the last of our friends were leaving, I began to wonder when Melissa was going to show up. She promised that she'd show up today, but I didn't know when. Charlene came over to me while I was waiting and put her hand on my shoulder. \"Relax...she'll be here soon. You know how much she loves you\", she told me softly before kissing me on the cheek as I looked to my sister and nuzzled her softly. Fortunately, our parents weren't around to see us do this, otherwise they might have something to say about it.\n\nI trusted my sister and continued to wait, expecting Melissa to show up at any time. Eventually, more time passed as sunset came and it started getting dark outside, making me begin to wonder what was keeping her. However, from the living room, I heard the sound of a car pulling up alongside the house and curiously got up from my seat, going into my little sister's bedroom to look out her window. When I looked down, I saw that a limousine had parked in front of our house, which made me feel a bit confused.\n\n\"That's odd, what's a limo doing in this neighborhood\", I thought to myself curiously while looking down from the window, watching as the door opened and I saw a familiar figure wearing a light blue winter jacket and sweat pants. \"Mel-Mel!\", I exclaimed happily before I ran down the stairs towards the front door of the house, seeing her come towards the doorway as I stepped out onto the porch. She noticed me right away and smiled.\n\n\"Hi, honey fox. Sorry, I'm a bit late for the party, but it was a real pain getting here\", she told me sweetly before I went to her and took Melissa into my arms. She looked a lot like she did when I last saw her, having her round ears with triangular tips, her long and flexible mouse tail, now complete with a small bit of white fluff at the end of it, and her cute face with her sky blue eyes looking into mine as I saw her blush a little bit. \"I've waited so long to see you again\", Melissa told me sweetly before I felt her kiss me on my cheek and rub her nuzzle alongside mine.\n\nI held her tightly and nuzzled Melissa back. \"I missed you too, Mel-Mel\", I answered while holding her as Charlene came outside and saw what was going on.\n\n\"Well, it seems like the two of you haven't forgotten about each other. I can't help feeling a little bit jealous of the two of you\", Charlene mentioned from her spot on the porch as I looked back at my sister and sighed.\n\n\"Sis...you know that I have enough room for both you and Melissa in my heart\", I answered back as Melissa looked to Charlene.\n\n\"Yeah, I know that I can trust you to take care of your brother for me. Why else would I have sent those yiffberries to you?\", Melissa added as Charlene made her way down to where we were and placed her arms around us.\n\n\"Melissa...I know you wanted to see my brother, but I really would like to be with him tonight. Can't I come with you two to the hotel?\", Charlene asked Melissa curiously while hugging both of us as Melissa let out a sigh.\n\n\"Listen...Charlene...I know you love your brother...but I love him too, and I haven't seen him in 6 1/2 years. You've had your entire life with him.\", Melissa explained calmly. \"I would really like it if you gave us one night to ourselves, OK? Later on, the three of us can talk about arrangements to live together, but for now I just want my honey fox\", Melissa added, insisting that she had me to herself for the evening.\n\nCharlene nodded and let us go, but not before kissing me on my cheek. \"Take care of each other...and don't spend too much energy having sex with Melissa. Save some of that for when you come home\", Charlene whispered to me in my ear. I turned towards my sister with a response of my own.\n\n\"Don't worry, sis. You and I will have plenty of time for that when we're alone\", I whispered back to Charlene before she went back inside the house and shut the door. Meanwhile, I let go of Melissa from my arms before she offered me her hand.\n\n\"C'mon, honey fox. The limo driver is waiting to take us to our hotel\", Melissa explained to me. I smiled and took her hand, walking with her to the limousine before getting inside, watching as the door shut behind us and the limo drove away from the house.\n\nTo be continued (in a separate story from the main series)...\n\n*: This is true. I can't begin to tell you how many times I've had this happen. In fact, there was one time where I found a live bat IN MY BED! I am NOT joking!\n**: The place that I'm referring to no longer exists.\n***: For those of you who don't know, it is the main Earth-like planet in my 'universe'. It is named \"Vulpes\" on the count that about 30% of the planet's population consists of various breeds/types of foxes, the most of any particular species on the planet.", "writing_bbcode_parsed": "Birthday Surprise

Ever since Charlene and I got our own rooms again our lives gradually became more independent from those of our younger siblings as we were becoming young adult foxes.  However, the connection between Charlene and I remained as strong as ever and we often showed how we felt for each other when we were in the privacy of our rooms, aside from the occasional bat that popped up from one of the nooks or crannies that didn't get walled off by sheetrock*.  Even though our mother specifically told us that she didn't want to see us sleeping together at night, Charlene and I usually ignored her as I would often go into my sister's bedroom and snuggle up with her at night, making sure the door was locked so that no one could interrupt us.  We never got caught together in bed, so things seemed to be going fine in that regard.

In addition to becoming adults in the physical sense, we were also beginning to take on more responsibilities as well.  In the summer prior to our Senior year in high school, Charlene and I both got jobs working for a newsletter along with several other students.  It wasn't the first job I had, but it was the first job where I actually felt happy with what I was doing, allowing me to be far more creative in nature rather than having to wash nasty dishes**.  For the most part, I was in charge of producing entertainment for the newsletter (such as cartoons and crossword puzzles) while Charlene was more involved with the photography.  Our summer job also allowed us to do other things as well.  For example, Charlene and I finally had the chance to spend a weekend alone together...no parents or half-siblings around, just the two of us as we worked together on a street race that happened to be going on in Minneapolis that weekend.  It also allowed me to get a new doorknob for my door, one with a lock on it in where only Charlene and I would have keys to, further increasing the privacy we had in our rooms.  The parental units weren't exactly thrilled when we did this, but since I had purchased it with my own money they allowed it under the condition that we left the door unlocked at night, which I did...although that was because I was usually in Charlene's room sleeping with her while HER door was locked.

Outside of that, our lives continued normally through the first part of our Senior year of high school as we got closer to our 18th birthday and the time when Charlene and I would be officially considered adults.  By the time January of 1998 started, it seemed like our mother was backing off from our private lives a little more.  It seemed as if she had conceded the fact that we would soon be old enough to move out if we chose to and live on our own, under our own rules.  However, neither Charlene nor I wanted to leave home yet.  We both planned on going to college after High School and we both wanted to stay close to home until we were finished with college at least.  Fortunately, our parents were willing to let us stay with them as long as we were either working or in school, so that wasn't a problem.  Although we still had to keep our half-siblings from finding out how close we were to each other.

Then, a few days before our 18th birthday, as Charlene and I got home from school, I noticed that the mailbox had an special envelope in it, one marked with red and orange stripes around the border.  I had seen these types of envelopes before, and they represented mail that came from somewhere on Vulpes***.  I grabbed it out of the mailbox and looked at as Charlene noticed it as well.

"Melissa Johannsen?  Isn't that the cute mouse girl that you have a crush on?", Charlene asked as she noticed it too as I pocketed the envelope and went inside.

"Yes sis, it is.  Although I don't understand how she was able to find us", I answered back while we went up to our room to open said letter as the house was empty at the time.  "I wonder what she could want", I added a few moments later before Charlene wrapped one of her tails around one of mine.

"Probably the same thing I want...to spend time with her boyfriend", Charlene answered with a giggle as I blushed a little to her comment, but also felt happy about it since Charlene and I did behave a lot like boyfriend and girlfriend.

We got up to our room a few moments later, closing and locking the bedroom door just to be on the safe side as I sat down in an old armchair that used to belong to the neighbors down on the bottom floor of the duplex with Charlene sitting down next to me.  "Well, aren't you going to open it and see what she has to say?", Charlene asked a moment later as I revealed one of my claws from my fingertips and cut the top of the envelope.

"Don't rush me, sis.  I don't know what's in here yet!", I answered while carefully cutting through the top of the envelope, making sure to only cut the top without damaging the contents.  Then, once I had finished, my claw went back to normal and I opened the envelope slowly.  Inside the envelope was a single sheet of lined paper as well as a picture.  I assumed it was a picture of Melissa, but I decided to go for the paper first to see what she had written.  It had been folded into thirds to fit in the envelope and I slowly opened it up to reveal her message.

"Hi, honey fox.  I've been waiting for a long time for this day to arrive and now that it's finally here, I'm feeling very excited", the message read as I began scanning it.  "I know that your 18th birthday is coming up soon and I want to do something really special for you.  So, I'm coming to Minneapolis this weekend so that you and I can finally see each other again.  I've already made arrangements to stay at the Borealis hotel over by your airport.  There's so much I've been wanting to do with you that I wish I could just leap through this paper and be there, but I know I'll see you soon enough...Love, Mel-Mel...XOXOXO", the note continued as I noticed that there was something else written at the bottom.

"P.S.: I enclosed a little something to help get that fire of yours started, I'd ask you for a picture of yourself, but I don't know if it would get here in time, so I'll just wait until we're together again.  I'll be coming to see you first on Saturday and then the two of us can go to the hotel from there.", the note read before I finished it and set it off to the side, now going for the picture inside it.

I pulled the picture out slowly and what I saw next made my mouth hang wide open.  There was Melissa, sitting on the end of what I assumed was her bed...completely naked.  I had seen Melissa in the nude before, but that was back when she was 12, she wasn't fully developed at that point in time.  Now, Melissa was 18 and she was sexually mature as I looked at the picture with significant interest, notcing her large "D-cup" breasts and her sexy body.  I felt my foxhood begin to unsheath to the picture while I sat in the chair speechless.  Of course, Charlene noticed the picture as well and seemed to take an interest in it.

"Wow...she's changed quite a bit since the last time I saw her.  I'm feeling a bit warm inside just looking at this picture", Charlene commented before I looked to my sister and shook my head.

"Sis, don't get your hopes up.  Just because you're bisexual doesn't necessarily mean she is", I answered calmly, knowing my sister's past history with other females in high school.

"Well, you can't blame me for thinking about it, can you?  I mean, look how attractive she is.  Besides, wouldn't you like to be in a love triangle with Melissa and I?", Charlene answered back, rubbing her nuzzle against my cheek as I blushed a little bit and continued to feel my shaft grow stronger inside my pants.

"Well, I don't think there would be any harm in that.  However, don't force it on Melissa OK?  Let her decide for herself what she wants.  We don't know if she feels the same way about females as you do", I told Charlene calmly before kissing her lips as I felt my knot emerge from the sheath as Melissa's picture and all this talk succeeded in making me horny.  "In the meantime though, maybe there's something you and I can do together.  After all, we have the place to ourselves for the next hour or so", I suggested to my sister after the kiss.

She thought about it for a second and noticed the bulge in my pants, reaching down to touch it on the inside.  "Alright...but we'll have to do it in a way where you won't be able to turn the tie with me", she answered, referring to the fact that we were supposed to watch our younger siblings when they got home from school until one of our parents got home.  I promptly agreed and we settled on having sex on her bed while I was lying on it.  For the moment, I put the thought of seeing Melissa again off to the side so that I could bond with my sister, but it would only be a temporary distraction as I had to think of how we were going to get to the airport that Saturday.

Later in the evening, I approached my parents with the letter as I tore off the part that mentioned the picture she sent me, explaining that Melissa wanted to see me and bring me back to a hotel that evening.  They didn't seem to mind too much, but they also mentioned that if I did go it would have to wait until after our birthday party that afternoon.  I agreed to the terms since Melissa did mention that she was coming here first and everything seemed to be settled, until later that night when everyone downstairs was sleeping and Charlene and I were in her bedroom together.

We were lying in bed as I had my arm draped around Charlene's lower body, snuggling up next to my sister while feeling my foxhood come out of its sheath, touching against her warm body.  She turned to face me, touching her pink nose against my own and let out a sigh.  "You know, I've been thinking about that letter Melissa sent you and I wonder why she only invited you to the hotel", Charlene calmly told me as we lay in bed as I listened and touched her cheek with my hand.

"Well, she IS my girlfriend, sis", I answered softly as Charlene let out another sigh and reached down to touch my crotch, grabbing my foxhood gently.

"I know that...but don't forget that I'm your girlfriend too.  I don't really mind sharing you with her, it's just that I don't want you to leave me.  We've been together for so long that I don't know if I could handle being separated from you", Charlene commented before I nuzzled my sister sweetly and brought my hand to rub up against her warm vaginal lips.  The touch made her murr softly while I kept nuzzling her.

"Sis...no matter what happens between Melissa and I, you'll always have a special place in my heart.  Who knows, maybe you'll get lucky and it'll turn out that Melissa is willing to go both ways", I answered, trying to comfort Charlene as my sister started to return the favor by stroking my shaft with her hand.  "I don't think Melissa would want to keep you away from me.  She knows how important you are to my life and I'm certain that when the time comes that we do get married she'll let you stay with us one way or another", I added.

Charlene seemed to calm down afterwards, both from a combination of my words and my gentle touching.  "Do you think you can convince her to let me come with you two on Saturday?", she asked a moment later.

While I kept touching my sister and kept feeling her lightly stroke my erect foxhood, I thought about it for a moment and sighed.  "I could try...but I don't know if she'd be willing to go with it.  However, if she does want me alone, we can have our own private moment together before our birthday party", I answered back before Charlene and I exchanged a kiss.  "However, let's worry about that on Saturday.  It's getting late and we have school tomorrow.  Plus, at this moment I'd much rather be having thoughts about you anyway", I told Charlene before I removed my hand from her warm crotch and she released my shaft.  Then, the two of us held each other tightly with my foxhood brushing up against her lower belly.  As we started to fall asleep, I humped Charlene gently, letting my stiff and throbbing length brush against her belly fur while I listened to her murr happily as she fell asleep in my arms.

Early Saturday Morning (around 6 AM)...

It was still dark outside when I woke up on our birthday, snuggled next to Charlene in her bed.  The only light that was in the room at the moment came from the small night light that Charlene had in her room, just giving off enough light so that we would be able to see where we were going in the middle of the night.  Everyone else was still asleep downstairs and would likely remain so for a couple more hours yet, so I figured that this would be a good time to give Charlene my gift to her, but I had to wake her up first.

To do so, I began to lick the side of her neck, trying to see if that would get her to wake up.  It did cause her to move around a bit in bed, but it didn't seem to work as well as I hoped it would.  Perhaps it was because she was having a dream about me or something, I wasn't sure.  However, it appeared that if I wanted to wake my sister, I'd have to do something even more bold.

So, I turned her around so she was facing me and licked her face, nuzzle, and nose, thinking that it was far more likely that this would get her attention than to have me licking her neck.  Sure enough, I saw her eyes open up a few seconds after I began licking her face as she looked over at the alarm clock on her desk.  "C'mon...it's only 6:15 and it's Saturday, we don't have to be up this early", she commented softly after I awakened her.

"Normally, I'd agree with you sis, but this isn't any ordinary Saturday", I answered back to Charlene as her ears immediately perked up and she seemed to get the message.  "I figured it would be better if we did this now while we were alone", I added as we got out of bed together with Charlene turning the light in the bedroom on.  We were both completely naked, as we often chose to be whenever we slept in the same bed, only putting on clothes whenever we went downstairs from the bedroom.  When we got out of bed, I watched as Charlene went to grab a bra, panties and her purple robe as I looked at her curiously.  "Wait...don't you want to exchange gifts first?", I asked Charlene as she looked back at me.

"Don't you think it would be better if we had breakfast first?  Especially if we're gonna...well, you know", Charlene answered as I sighed and nodded.

"Alright, we'll have breakfast first.  But I don't want to wake anyone else up right now, so we'll have to be quiet downstairs", I answered back before I got out of Charlene's bed, stepped out of her room back into my bedroom to go grab a pair of boxers and a long t-shirt.  Then, once Charlene and I were dressed, the two of us went downstairs and made our way to the kitchen to grab something to eat.

At that point in our lives, breakfast usually consisted of whatever kind of cereal was in the cupboard.  Usually, our parents got the kind of cereal that came in bags as opposed to boxes, but the products inside said bags were more or less the same as the brand-name products.  It didn't really matter to us at that point, as long as it tasted decent, we'd eat it.

We had our breakfast in the dining room while it was still mostly dark, being careful not to wake up anyone in the house in the process and then made our way back up to our bedrooms shortly thereafter.  We stopped in my bedroom as I went to sit down on my chair with Charlene sitting in my lap with her hands on my shoulders.  She kissed me on my lips and then rubbed her nuzzle against mine.  "Happy Birthday", she told me sweetly, murring while rubbing her soft nuzzle against my own.

I placed my arms around Charlene, kissed her pink nose and rubbed my nuzzle along hers.  "Happy Birthday, sis", I answered back, as we spent a couple minutes just sitting there, rubbing our nuzzles against each other, enjoying the warmth of being so close to each other.  But then, I remembered that I had something to give Charlene.  "Sis, as much as I'd like to keep doing this with you, I think it's time that we exchanged our gifts", I told Charlene softly.  However, Charlene wrapped her arms around me a bit tighter and kept nuzzling me.

"Why?  Wouldn't it be better just to spend some time together while we can?", she promptly answered, not wanting to let me go as I felt a bit conflicted.  On one hand, I did want some alone time with Charlene, but at the same time I had a special gift I wanted to give her and I didn't want to wait.

"I want to...but there's something I want you to see and I want to keep it between the two of us", I mentioned to Charlene as she let go of me.

"Alright, we'll do it your way", she commented as she reluctantly got up from my lap and went back towards her bedroom.  Meanwhile, I got out of the chair and went into my dresser drawer pulling out a box wrapped in purple wrapping paper with a pink bow on it.  Between the job we had over the previous summer and money earned doing other activities I had saved up to get Charlene something extra special from a jewelry store.  I kept the box hidden inside my underwear drawer, thinking it was unlikely that Charlene would look there.

When I had the box, I went back over towards Charlene's room as she came out first, carrying a much bigger box than the one I had.  It looked to be about the size of boxes that contained a sweater or some other kind of clothing that I periodically got from our parents at Christmas time.  However, I didn't think it was actual clothing in there...especially since it felt fairly heavy when she gave it to me and took the box I had for her.  The box Charlene gave to me had dark blue wrapping paper on it along with gold ribbon and it also had a tag on it.  "P.S.: Make sure you keep this to yourself once you open it", the tag read, making me wonder what was inside.  However, as much as I wanted to find out, I wanted Charlene to open my gift first, so I waited and watched as she curiously unwrapped the package.

Once she got the wrapping paper off, she opened the cover to the box revealing two jewelry cases.  I watched her eyes light up excitedly as she took one out and opened it, revealing my gift to her.  It was a gold necklace with a garnet and crystal yin-yang symbol charm on it (I wanted to get diamonds, but I didn't have that kind of money at the time.  It would be about another 5 years before I could give her the gift I intended to give her).  She seemed to appreciate the gift quite a bit though as she turned the charm around and saw something etched on the back of it.

"Um, why does it say 'Bro' on the back?", she asked me as I blushed and felt a bit sheepish.

"Oops, you must've opened the one that was intended for me first.  I bought two of them, one for you, one for me.  Yours has 'Sis' on the back of the charm", I explained as it seemed Charlene got the message, opening up the second box to reveal her necklace.  "I figured that since we're so close to each other that we should have something between us that we could share", I explained to Charlene as she took the necklace out and placed it around her neck.  Then, I watched as she came over to me, put my charm necklace around my neck and kissed me on my lips.

"That was very sweet of you.  However, now I can't help feeling a bit ashamed of myself for not thinking of a better gift for you", Charlene commented as I looked back at the box she had for me.

"Why?  There aren't really clothes inside that box are there?", I asked as she shook her head.

"No, it's not that.  It's just that...well, you probably spent a lot on these necklaces, and I only wish I had spent a little more on you", Charlene answered sheepishly before I kissed her on the nose and nuzzled her softly.

"Sis...you don't have to spend a fortune on me to show that you love me.  The reason why I bought these for us is because I wanted you to know that you're important to me", I answered calmly.  "I'm sure whatever you got for me will be fine", I added before I went back towards the box she gave me and opened it up.  Once I got the wrapping paper off, I saw that it was indeed a plain white box that usually contained clothing, but when I removed the cover I saw something much different.

It was a hard cover photo album, with a dark red cover with gold lettering that made my eyes open a little wider.  "For the one that I love?", I asked curiously, seeing Charlene blush a bit when I did.

"I had a little help getting this ready for you", Charlene answered before I opened it up and saw that the first page of it was a handwritten note from Charlene.

"Hello!  You're probably curious about why I chose to give you this as your birthday present.  Well, I know how much you love me and how much you like doing...well, you know what we've done together.  So, I thought it would only be appropriate if I gave you a little something to help fuel that fire of yours whenever I can't do it for you.  Just make sure you keep it in a place where our siblings can't find it, because it contains stuff that shouldn't be seen by their eyes", the note read as it made me wonder what was inside.

"Sis...is this photo album filled with naked pictures of you?", I asked curiously.

"Not entirely, but something like that", she answered with a blush and a giggle as I looked at my sister and felt a bit sheepish.

"I appreciate the thought, but you know that I like it a lot more when I can see and feel you, right?", I answered back while blushing as Charlene came over to me and wrapped her arms around my lower body.

"I know...but what if you're feeling horny and I'm off visiting one of my girlfriends?  If I can't be with you in person, I'd like to be able to be with you in spirit", Charlene commented.  "Besides, there's more than just naked pictures of me in there.", Charlene added a few seconds later, stirring my curiousity a little more.

I began to scan through the book a little bit, coming to the first page after the note.  It was a picture of Charlene in a place that I didn't recognize, wearing a cheerleaders outfit...a University of Minnesota cheerleader outfit.  Right away, this brought up quite a few questions as while Charlene did mention she was going to the U of M after high school, she wasn't a student there yet.  She also didn't seem to be the cheerleading type from what I could tell.

I looked at Charlene, feeling a bit puzzled, but she giggled and moved in a bit closer to me.  "I told you I had some help making this.  Besides, that picture is only the beginning, there's a lot more in there that'll make you feel excited down there", she explained softly, flipping ahead a few pages to a picture of her holding up the skirt of the uniform.  It was there I realized that Charlene was not wearing panties underneath the uniform and I had a clear view of her vaginal lips.

"Oh my...", I called out when I saw the picture, beginning to feel my foxhood stir inside its sheath while scanning through many more pictures of Charlene in playful poses and in various states of dress.  In one picture, Charlene was leaning up against a chair, bent over with her two tails raised high and a clear shot at her naked backside while she was looking back at the camera.  In another picture, Charlene had the top part of the uniform off with maroon and gold pom-poms playfully covering her breasts.  Then, in another picture, she was completely out of the uniform sitting with her legs spread open with one pom-pom covering her crotch and a note written on the picture.

"I'll bet you want to see what's underneath here, don't you?", the note read in a playful tone as I felt my foxhood appear from the sheath, growing longer the more I stared at the playful pose, realizing just how sexy and playful Charlene could be if she wanted to.  But that wasn't all.  I was only about halfway through the photo album, there were more pictures inside of it.  In addition, I could feel Charlene slip a hand down into my boxers and grab my sheath softly.

"Those pictures are making you feel excited, aren't they?  Well, if you liked the pictures of me by myself, wait until you see what's on the next page", she coaxed, stroking my sheath lightly, helping make my foxhood come out as I began to pant, getting ready to turn the page.

When I did, I saw Charlene back in the cheerleader outfit, but I also saw another female I didn't know with her.  The mystery female was a vulpix and she wore a cheerleader outfit much like Charlene's, only she appeared to be slightly taller than my sister.  The next page featured the two females kissing each other while the vulpix female was groping at Charlene's breasts.  I knew for several years that Charlene went both ways sexually, she had told me about her feelings towards other females during our first year of high school.  However, this was the first time I had ever seen female-on-female action in my life, and this was only the beginning.

A couple pages later, both Charlene (now in her vulpix form) and the other vulpix girl were completely naked with the unknown female on top of my sister and the two of them holding hands.  The unknown female had her six tails raised high and I caught a good look at what I assumed was a very warm and inviting vulpix vagina (in addition to my sister's).  This caused my foxhood to come out even faster and begin throbbing while Charlene's hand moved up a little more to touch my actual shaft.  "Don't stop now...the best part is yet to come!", Charlene told me playfully, giving the exposed portion of my shaft a light squeeze as I flipped through more pages of the photo album.

As I went through them, I saw pictures of Charlene and the other vulpix girl taking turns licking at each other's vaginal lips, and then I got to the part where the two of them began to trib against each other.  Charlene giggled when I got to that picture.  "That was a very hot experience for me", she commented as I looked at my sister, feeling my knot come out of the sheath and her hand touching it as I blushed and felt very horny.

"Yes...I can imagine so", I answered back, feeling my length twitch with life as I looked at the picture, and then at my sister, beginning to think that I wanted to have the real thing and feeling certain that Charlene was thinking the same way.

I flipped through a couple more pictures of them tribbing against each other, including the picture where they both climaxed, leaving both of their crotches soaked in vaginal juices.  This made my tip spurt a little bit of precum and my tongue stick out of my mouth a little as I panted with excitement.  Then, I finally arrived at the last page of the book, which had Charlene and the vulpix female holding hands while looking at the camera.  "There's room for one more here if you want it.  Let's make a date together and have a threesome!", a note on the final picture read as I saw Charlene's signature on it and the signature of her vulpix playmate.

"Valerie?!!  Who the hell is Valerie?!!", I commented as I never knew any female by that name.  However, Charlene was quick to answer my question.

"She was the one who helped me discover my bisexuality...and she also knows about us.  She's been curious to meet you for several years, but I haven't told you this until now because I wanted to make sure she didn't take you from Melissa", Charlene explained as I continued to feel a bit puzzled.

"Well, if you didn't want her to take me from Melissa, why did you do this with her?", I asked my sister curiously.

Charlene immediately blushed and looked a little shy.  "Because I love her every bit as much as I do you", she answered sheepishly.  "I know you probably could never have feelings for her the same way I do, but I think she's aware of how you feel about Melissa now and wouldn't try to wedge herself in between the two of you", she added.  "Anyway, we can make a date if you want to sometime after this weekend.  Besides, I know you have other thoughts on your mind right now", Charlene continued as I looked at my sister, murred excitedly and dropped the book down on the floor before I took her in my arms and let the bulge in my boxers touch against her crotch.

"Yes...and I think you can guess who I'm thinking about right now", I answered back playfully, feeling my erect foxhood throb for Charlene's warmth as I saw her smile.  She kissed me on the lips briefly and hugged me tight, rubbing her cute pink nose against my own for a moment.

"Then lets change into our vulpix forms and go outside so we can take care of that!", she suggested eagerly as my ears twitched and my mouth hung open.

"Outside...in the backyard?  Do you think that's wise, sis?  After all, it's going to be daylight soon", I answered, feeling a bit worried that someone would catch us at an inopportune time.  However, Charlene placed a fingertip on my nose and smiled.

"That's one good thing about being an adult.  We can go anywhere we want now", Charlene answered as she seemed to have an idea.  "Trust me...I know of a place where we can do it outdoors where we won't be bothered", Charlene added a few seconds later.

I had faith in my sister and agreed, getting a t-shirt and a pair of jean shorts on after changing into my vulpix form while Charlene got a purple t-shirt and her own pair of jean shorts on after she changed into her vulpix form.  Then, once we were ready, Charlene and I kissed, took each other's hand and walked down the stairs out the backdoor of the duplex.

It was a cold morning outside, but that wasn't too unusual for mid-January.  Besides, in our vulpix forms, the cold never seemed to bother Charlene and I as our internal body heat kept us plenty warm.  By the time we left home, it was still mostly dark outside, but the sky was beginning to brighten up a bit as sunrise approached and things still seemed pretty quiet in the neighborhood as everyone seemed to either still be in bed, or just waking up.

Charlene and I walked together from our house moving up a few blocks until we reached a railroad bridge a few blocks from our high school.  Not far from the bridge, there was a small patch of evergreen bushes next to the hillside that led up to the tracks and Charlene led me there.

When we got to the bushes, Charlene and I went through the small opening between a couple of them from the side, having to get down onto our hands and knees to go through the opening without getting twigs and branches in our way.  Once we were through, I looked around and saw that the space was completely surrounded by all sides by bushes that were about 6 feet tall.  There had been an open space in the middle of the ring of bushes about 10 feet around and about 10 yards from the train tracks.

I had noticed the bushes before, but I never thought that there was anything behind them.  "Sis...how did you find out about this?", I asked her curiously as she was the first to stand up and take off her shirt and shorts.

"Valerie and I used this as our private love nest ever since she found it a few years ago.  I don't think she'd mind if I told you about it, just as long as you keep this between the two of us", Charlene answered as I stood up and took off all of my outer clothes, leaving only the boxers on.  I hadn't stopped thinking about those pictures I saw of Charlene a little bit ago and my foxhood was still erect from them, twitching a bit inside my boxers as I watched Charlene take off her bra and then slip out of her panties.

She then turned towards me, quickly coming up to meet me in the middle of the circle as she grabbed my stiff cock with her hand and kissed me on my lips.  I murred happily and placed my hands on her cute tush, grabbing it tightly while my tongue plunged into her mouth, swishing inside it while hers did the same for mine.  We exchanged our fiery breath as we kissed, feeling the warmth inside us easily overpower the below zero weather as my foxhood kept twitching and spitting precum from the tip.

Charlene soon released her grip on my length and moved her hands to my boxers, dropping them down to my knees before she moved in closer while we kept kissing.  Her hot vulpix vagina touched my throbbing shaft, rubbing softly against it while showing just how eager Charlene was to get it back inside her passage.  As she rubbed against me, I started to feel the dampness increase down there while Charlene's hands were groping at my butt cheeks just as tightly as I was with hers.  It made me want to give her a hot injection of my seed even more, and I was certain that she was well aware of this.

Eventually, we stopped kissing as Charlene let me go, allowing me to finish removing the boxers.  She stayed very close to me after I was completely naked, placing her hands on my shoulders while looking at me with her light blue eyes.  "Why don't you go ahead and have a seat on the ground and I'll sit in your lap", Charlene suggested as I looked at her curiously, thinking about what she told me.

"You don't want me to turn the tie with you this time?", I asked curiously, knowing that we usually did this every time we had sex.

Charlene shook her head and nuzzled me.  "Well, I would...but I don't think we could stay away from home for too long.  Besides, I think it would be better if you saved that for Melissa anyway.  So, we can just do it while I'm sitting on top of it this time", Charlene explained.

I saw the logic in her thinking and agreed, finding a spot to sit down in the snow as the warmth from my body instantly melted it.  Once I was in position, I waited there, my foxhood still erect and aroused, spewing precum from the tip while it 'danced' for Charlene.  She giggled playfully and moved closer to me, putting her hands on my upper chest while I felt her sit down in my lap, pressing her hot outer lips against the meat of my foxhood.  By now, Charlene's insides were fully aroused and responsive.  Her vagina was dripping with juices and making my shaft a little bit more slippery as she rubbed up against me.

My hands went to Charlene's hips, holding them firmly while she continued to rub against me, making my foxhood twitch and spurt precum onto my lower belly.  She looked down at it and giggled before looking back at me.  "I suppose you want to have it inside me now, don't you?", she asked in a playful manner as I nodded and kept holding her hips in my hands.

She giggled again and moved up towards me a little more, taking one of her hands off my chest and reaching down to grab my shaft.  I felt her point the tip of my foxhood towards her vagina, having it touch against her opening for a second or two before she released her hand and slowly lowered herself onto my throbbing maleness.  I closed my eyes while Charlene was letting my shaft go inside, feeling the intense heat of her vulpix vagina around me, making my foxhood begin to thicken inside her already as it pressed against her walls.  She squeezed me back as she normally did, making an already enjoyable feeling even better.

Charlene moved slowly, taking her time in letting me enter her.  I didn't really mind it though since it felt so good to me that I wanted it to last as long as possible before I climaxed.  She kept moving down on my shaft until all but the knot was inside, as I felt my bulb pushing against her outer lips and clitoris a bit, feeling her love button become a bit more swollen and twitch a little once I was deep inside.  At that time, her arms wrapped around me tightly as she leaned in closer to me, kissed the tip of my nose and rubbed her nuzzle against my own.  "There...now make sure you hold onto me tight", she commented softly a few seconds before I started to feel her move in my lap, rocking back and forth a little bit, massaging my shaft with her tightness.

I started to pant a bit when she did this and couldn't help joining in, humping against my sister, allowing my knot to push against her outer lips a little bit before I'd pull back a little and then move back inward once again.  The feeling was very hot and very moist, making it easy for me to move within her, and the tightness of her vaginal walls helped to make my precum shoot into her reproductive tract, coating her cervix in it while I felt a tingling sensation begin to build in my balls.

We started to kiss again shortly thereafter, each of us putting our tongues into each other's mouth while feeling the fiery breath of one another add to the experience.  This caused each of us to have smoke periodically come out of our noses during our union, with the combination of humping and grinding continuing.  At the same time, our necklaces (which we had put on before we left) were joined together just as we were, further showing the bond that Charlene and I had as both twins and lovers.  However, as time passed, I started to feel the pressure in my balls growing more intense and my desire to cum inside Charlene gradually increased.

While it felt good to kiss my sister and hold her like this, I wanted to deliver my hot and sticky cream into her uterus, make her feel hot on the inside for hours and let her know exactly what she meant to me.  I also knew that Charlene was eager to receive my seed, she always was whenever we had sex in the past, especially around this time of the year.  While it wasn't our "mating season" yet, it was getting close to that time of the year where both of us were the most sexually active and our bodies were beginning to ramp up towards the coming mating season.  In addition, I felt Charlene actually move one of my hands to her belly while we were kissing and embracing, giving an indication that she wanted me to fill her and possibly even do more with her reproductive tract.

This definitely caught my attention and made me stop kissing Charlene as I looked into her eyes.  "Sis...are you telling me what I think you're telling me?", I asked curiously as she stopped moving in my lap and looked at me.

"If you're thinking that I want to make pups with you, then yes...it is", she answered back, kissing my nose as I immediately felt a bit sheepish.  A couple years before we had learned that we had a rare genetic condition (the same condition that also gave Charlene her pink nose).  It was a condition that worked to correct any possible genetic defects that might be created as a result of inbreeding, which meant that Charlene and I could conceivably have pups together if we wanted.

"But sis, we're only 18.  I mean, not that I wouldn't mind having pups with you, it's just that shouldn't we wait a few years before we do this...especially considering that Mom would go through the roof if she found out that I made you a mother?", I explained to Charlene while thinking about pulling out of her to prevent this from happening.

However, Charlene giggled and kissed me on the nose again.  "Silly boy, I didn't mean today...although, personally I wouldn't mind having you knock me up on our birthday.  I'm not ready to have pups yet, not until after college at least.  However, I do want to make pups with you at some point in our lives...just not right this second", she answered.

Her comments made me think about what it would be like if I did make pups with her.  While a couple of vulpix pups would've been nice, I thought more about doing it while we were in our normal forms.  I wondered if we would have a set of twins just like us, and wondered if those twins would develop a bond with each other much in the same way that Charlene and I had.  These thoughts intensified my sex drive and I felt my shaft begin to grow much thicker inside her canal.  Furthermore, it also seemed to go a little bit deeper into her passage, pushing against her cervix with my knot still outside of her vaginal opening.  In addition, I felt a strange sensation beginning to overcome my entire body, an intense heat radiating from within, rushing to the various parts of my body and getting Charlene's attention.

"Oh my...is it just me, or have you gotten much bigger and much warmer inside me in the last few moments?", she asked curiously before I let out a playful growl and grabbed my sister's hips tightly before rolling over on the snow.  I didn't feel like having her on top of me any longer, I wanted to lead now.

With my shaft seeming to grow inside her and my tip now poking into her cervix, Charlene blushed and looked at me with a surprised appearance on her face.  "You really do want to breed with me, don't you?  Well...you can fill it up all you want, but you're not going to give me any pups today.  I'm still on those yiffberries, remember.", she answered back as I looked down at her and murred, taking a moment to lick Charlene across her neck.  She giggled softly and placed her hands on my buttocks, grabbing them firmly.  "OK...I get the point.  You can try to do it to me right now.  However, if for some reason I do get pregnant, you have to promise that you'll get a job right away and help support our pups", she commented playfully while her hot vaginal walls seemed to warm up around me a little more, grabbing my horny foxhood a bit tighter and making me pant excitedly.

I began to thrust rapidly into my sister's tight vulpix hole, feeling the heat of her body and inside my own increasing by the second.  My knot kept bumping vigorously against her outer lips, pulsating with life while precum was spurting into the lower part of her uterus.  I didn't know what was happening to me at the time, but I was becoming aware that the tip of my shaft had changed shape and lengthened inside Charlene, now able to go through her cervix and deliver my precum directly to the womb.

Charlene seemed a bit confused by these developments, but the spurts of hot precum seemed to calm her down as she kept holding me tight as I licked her neck again.  "You've gotten so long and thick inside me...how are you able to do that?", she asked curiously, feeling my thick maleness rub against her tight insides while they quivered around me, drenching my shaft with her hot juices and massaging my length vigorously.

"I...don't know", I answered while thrusting rapidly, feeling the pressure inside my balls growing rapidly while my length throbbed with life and my knot got closer to going inside her passage.  During this time, I closed my eyes and concentrated on the feeling I was experiencing inside my sister's passage.  Thinking about her hot vulpix walls spasm tightly around my maleness and thinking about the moment where her maternal instincts kicked in and released fresh eggs into her fallopian tubes, awaiting my sperm to fertilize them.

While these thoughts were going through my head, I felt my own body temperature suddenly spike all over, like an intense hot flash that made me yip excitedly.  I didn't know what was going on, but for some strange reason it felt really good.  In fact, it felt so good to me that I immediately pushed my knot into Charlene, feeling it grow within a matter of seconds right before an intense rush of semen exploded from my tip, flowing freely into her vulpix womb.

My orgasm caused me to howl loudly and tilt my head toward the sky, releasing a fireball from my mouth that shot about 20 feet or so into the frigid January air before dissipating.  It was at that moment, the hot feeling inside my body started to fade a bit, even as my shaft was throbbing, spurting more seed into Charlene as her walls had clamped down tightly around my large knot.

I opened my eyes a few seconds later and looked down at my sister, feeling our genitals bonding us together during this intimate moment as I reached out to touch her cheek, caressing it softly.  However, as I did, I noticed something different about me.  The fur on my hand was no longer red, it had become a whitish-yellow in color, and my body (while not as warm as it was during my orgasm) felt hotter than it did when Charlene and I walked to this spot.

She opened her eyes up and took a look at me, opening her mouth wide at what she saw.  "Hey...that's no fair!  How come you get to change into a ninetales and I'm still a vulpix!", Charlene answered somewhat jokingly, although the word 'ninetales' definitely caught my attention.

"Ninetales...did you say that I look like a ninetales?", I asked my sister while we were still stuck to each other with my semen still spurting freely into her uterus.

"Well...yeah, what did you expect me to say?", she answered back as I was curious to see for myself if she was telling the truth, but I couldn't do so until my orgasm ended and I could pull out of her.

In reality, what I think happened was that my experience with Charlene was the final encouragement I needed to make the transformation from a vulpix to a ninetales.  It made sense that I would change before she did, after all I did use my vulpix form more often than Charlene, and for longer duration.  However, I soon focused back in on Charlene as we continued to remain stuck together with more of my seed spurting into her, but at a more periodic pace than a few moments ago while I touched her belly with one of my hands.

"So...how 'bout it sis?  Are we going to have some vulpix pups this spring?", I asked curiously, wondering if Charlene was able to overcome the effects of the yiffberries and ovulate.

She shook her head and sighed.  "Sorry, but I don't think so.  I told you that I was on those yiffberries and probably wouldn't be able to ovulate", she answered as my ears drooped down and I felt a bit disappointed.  She then reached a hand up towards my face and caressed my cheek softly.  "Don't feel too bad though...you know I want to do it with you, and we will do it eventually...I promise you that.  Besides, wouldn't it be better for both of us if we waited until after college to breed?  Who knows, maybe by then I'll be able to change into a ninetales as well", Charlene commented as I looked at her and smiled.

"It doesn't matter to me what form you're in, sis.  You'll always look attractive to me", I answered softly before moving in to kiss Charlene on her lips while I kept spurting semen into her hot vulpix womb.  We continued to kiss each other throughout the remainder of my orgasm, lasting several minutes until the tingling sensation in my balls died down and my shaft began to relax, with my tip retreating back to its normal length and returning to it's normal shape.

I had left Charlene's womb thoroughly filled with my seed, leaving behind a hot sensation that would remain with her long after I pulled out.  Then, once I did finally remove my shaft from her opening, I stood up, reached out for my sister's arm and helped her back up to her feet.  She then put her arms around me and rubbed her pink nose against my own.  "You know, I kind of wish that you did make me pregnant.  I have all of this hot and sticky cream of yours deep inside me with all those sperm swimming around in it.  I feel a bit sad that it's all going to waste", Charlene told me before she kissed my nose.  "However, someday, you and I will do this for real.  I don't know when that will be, but I think it would be a wonderful idea if you and I made some pups together on our birthday...or any other time", Charlene added before I hugged her tight and kissed her nose.

"I know we will", I answered softly, before I realized that we had stuff to do today.  "However, I think we should be getting home now.  I'm sure Mom and the others are awake by now and they might be wondering where we are", I added as Charlene remembered that we were supposed to be having a party today and agreed.  We soon got our clothes back on, though it was a bit harder for me to get my tails through the tail hole in the shorts now that there were nine of them, and then headed back for home.

Once we got home, Charlene and I changed back into our normal forms while heading up to our bedroom to change into more appropriate clothing.  However, as I opened the door to my bedroom, I was surprised to see that our mother was standing in the room, wearing the dark blue robe that Charlene and I gave her for Christmas a year earlier.  She looked at us with her blue eyes and was tapping her foot on the ground.  "How nice of you two to show up", she told us in a somewhat sarcastic tone as Charlene and I blushed for a moment.

"Look...Mom...we only left the house so that Charlene and I could be alone, you know what I mean?  You told us that you didn't want to catch us doing...well, you know what, so we were doing what you asked us to do", I explained to our mother as she rolled her eyes and sighed.

"No...if you really wanted to do what I wanted you to do, you two would stop this once and for all", she answered back before sighing again and shaking her head.  "However, you two are old enough to decide what you want for yourselves.  Pretty soon you'll both be done with high school and off to college, and then you'll be on your own", she added before coming towards the two of us.  Then, our mother did something to us that neither Charlene nor I expected her to...she hugged both of us at the same time.

"It is apparent to me that you two mean a lot to each other, so I've decided that maybe I should do something special for the two of you on your 18th birthday", Mom explained to us as Charlene and I listened curiously.

"Like what?", Charlene asked while we were hugging our mother.

"Well...do you remember how you two used to share the same bed together when you were little...before I found out about how you two really felt about each other?  I figured that since you and your brother mean so much to each other that it was only fair that you should be able to sleep together at night...if you really wanted to.  So, your 'father' and I agreed to give you your own queen-size bed to share.  He'll be putting it in Charlene's room after the birthday party", she added.

I couldn't believe my ears.  After all the years Mom tried keeping us from sleeping in the same bed, she was finally giving Charlene and I the freedom to sleep together once again without butting in.  "However, I still expect you two to be responsible young adults and keep your behavior confined to your bedroom or somewhere outside of the house.  I can live with you two acting like this, but I don't want your brother and sister to get curious about it", Mom explained to both of us as Charlene and I agreed, even though we both thought that our younger siblings didn't have the same connection with each other that Charlene and I shared.

"Now...I want you two to change into something nice.  Your 'father' is taking the three of us out to breakfast this morning", she added a few moments later as Charlene and I looked at each other and shook our heads.

"If I would've known that, I wouldn't have eaten anything before Charlene and I went out!", I thought to myself while looking at my sister, seeing that she was likely thinking the same thing.  However, we didn't have a choice about this.  It was our mother's birthday as well as ours and this must've been a part of the plan of the day.  So, as Mom went downstairs to change out of her robe, Charlene and I got dressed into more appropriate attire for the season and went to breakfast with our mother and step-father.

Later that day, around 4 PM...

As our birthday party was winding down and as the last of our friends were leaving, I began to wonder when Melissa was going to show up.  She promised that she'd show up today, but I didn't know when.  Charlene came over to me while I was waiting and put her hand on my shoulder.  "Relax...she'll be here soon.  You know how much she loves you", she told me softly before kissing me on the cheek as I looked to my sister and nuzzled her softly.  Fortunately, our parents weren't around to see us do this, otherwise they might have something to say about it.

I trusted my sister and continued to wait, expecting Melissa to show up at any time.  Eventually, more time passed as sunset came and it started getting dark outside, making me begin to wonder what was keeping her.  However, from the living room, I heard the sound of a car pulling up alongside the house and curiously got up from my seat, going into my little sister's bedroom to look out her window.  When I looked down, I saw that a limousine had parked in front of our house, which made me feel a bit confused.

"That's odd, what's a limo doing in this neighborhood", I thought to myself curiously while looking down from the window, watching as the door opened and I saw a familiar figure wearing a light blue winter jacket and sweat pants.  "Mel-Mel!", I exclaimed happily before I ran down the stairs towards the front door of the house, seeing her come towards the doorway as I stepped out onto the porch.  She noticed me right away and smiled.

"Hi, honey fox.  Sorry, I'm a bit late for the party, but it was a real pain getting here", she told me sweetly before I went to her and took Melissa into my arms.  She looked a lot like she did when I last saw her, having her round ears with triangular tips, her long and flexible mouse tail, now complete with a small bit of white fluff at the end of it, and her cute face with her sky blue eyes looking into mine as I saw her blush a little bit.  "I've waited so long to see you again", Melissa told me sweetly before I felt her kiss me on my cheek and rub her nuzzle alongside mine.

I held her tightly and nuzzled Melissa back.  "I missed you too, Mel-Mel", I answered while holding her as Charlene came outside and saw what was going on.

"Well, it seems like the two of you haven't forgotten about each other.  I can't help feeling a little bit jealous of the two of you", Charlene mentioned from her spot on the porch as I looked back at my sister and sighed.

"Sis...you know that I have enough room for both you and Melissa in my heart", I answered back as Melissa looked to Charlene.

"Yeah, I know that I can trust you to take care of your brother for me.  Why else would I have sent those yiffberries to you?", Melissa added as Charlene made her way down to where we were and placed her arms around us.

"Melissa...I know you wanted to see my brother, but I really would like to be with him tonight.  Can't I come with you two to the hotel?", Charlene asked Melissa curiously while hugging both of us as Melissa let out a sigh.

"Listen...Charlene...I know you love your brother...but I love him too, and I haven't seen him in 6 1/2 years.  You've had your entire life with him.", Melissa explained calmly.  "I would really like it if you gave us one night to ourselves, OK?  Later on, the three of us can talk about arrangements to live together, but for now I just want my honey fox", Melissa added, insisting that she had me to herself for the evening.

Charlene nodded and let us go, but not before kissing me on my cheek.  "Take care of each other...and don't spend too much energy having sex with Melissa.  Save some of that for when you come home", Charlene whispered to me in my ear.  I turned towards my sister with a response of my own.

"Don't worry, sis.  You and I will have plenty of time for that when we're alone", I whispered back to Charlene before she went back inside the house and shut the door.  Meanwhile, I let go of Melissa from my arms before she offered me her hand.

"C'mon, honey fox.  The limo driver is waiting to take us to our hotel", Melissa explained to me.  I smiled and took her hand, walking with her to the limousine before getting inside, watching as the door shut behind us and the limo drove away from the house.

To be continued (in a separate story from the main series)...

*: This is true.  I can't begin to tell you how many times I've had this happen.  In fact, there was one time where I found a live bat IN MY BED!  I am NOT joking!
**: The place that I'm referring to no longer exists.
***: For those of you who don't know, it is the main Earth-like planet in my 'universe'.  It is named "Vulpes" on the count that about 30% of the planet's population consists of various breeds/types of foxes, the most of any particular species on the planet.", "pools_count": 2, "title": "Birthday Surprise (Life With Charlene series)", "deleted": "f", "public": "t", "mimetype": "text/plain", "pagecount": "1", "rating_id": "2", "rating_name": "Adult", "ratings": [ { "content_tag_id": "4", "name": "Sexual Themes", "description": "Erotic imagery, sexual activity or arousal", "rating_id": "2" } ], "submission_type_id": "12", "type_name": "Writing - Document", "guest_block": "t", "friends_only": "f", "comments_count": "6", "views": "797" }