Emma waved out the window, as she watched her parents leave for their work trip. They left telling her that they would be gone for the whole weekend, which meant leaving her home alone, even allowing her to do whatever she wanted. But she would have to take care of her baby sister, who was just under three months old. If she did not watch over her, Emma was told she would get the worst punishment of her life! Lucky for her though, she didn't think of it as a burden in the slightest, since she loved playing and taking care of her sister anyway. Emma was still a fairly young Lion herself, having turned 13 just last month, which made her even prouder that her parents trusted her enough to stay home alone and take care of her sister. Emma wasn't a very special girl on the outside, as she never stood out at school or at home, usually being very calm and collected. Especially her outward appearance, which was exceptionally normal for her age. Being both average in height and development, as her boobs were slowly beginning to grow and her body was developing a slightly more feminine appearance, attracting some of the boys. Emma's baby sister was a lion as well and like Emma at her age, was also mostly indistinguishable from any other lion toddler. However to Emma's annoyance every adult they met kept raving on about how much she looked like her parents. Complimented her on having her fathers eyes or her mothers hands and all other kinds of features. Emma just rolls her eyes at those exhausting comments, since some couldn't even make up their minds, having a different opinion on what body part looked like which parent every time they've met. But nonetheless, she loves her sister very much, which let her down a very unconventional and perverted road on this fateful weekend. As previously mentioned, Emma appeared fairly normal to the outside world, never standing out in any shape or form. But between her legs one would find a well hidden and to most a very surprising secret. Because an unknown mutation had caused Emma's body to develop with an exceptionally big dick and pair of balls in addition to her normal pussy. There were mostly downsides for Emma growing up with this extra equipment inside her pants. But somehow she managed so far, accepting it as part of her, even if it made her different to other girls. Hiding her futacock has been one of the biggest challenges by far for all of her life, both due to their abnormally big size and the fact that girl clothes are not being made to fit additional equipment like hers. Because of that Emma often found herself being dressed up like a boy, even though she liked dresses and girly clothes a lot more. As Emma grew older puberty hit her, leading her to discover not only the downsides, but also the pleasures that come with having both a dick and pussy at the same time. At first she was overwhelmed with all kinds of strange and new sensations when she first started pleasuring herself, having trouble figuring out what was pleasurable and what wasn't. But slowly she even figured out the benefits of having both, as she could play with her cock and her pussy at the same time and if she does it right it would give her an incredible orgasm. The biggest most exciting advantage of her futanari body was that she could put her own cock inside herself as long as it wasn't fully erect, because when she got hard it would spring out of her pussy eventually, or she couldn't get it in in the first place. So after their parents had left for their trip and Emma's sister was still asleep, she used the time allone to use that new pleasure to have some exciting fun with herself. Unfortunately for her the pleasuretime didn't last long for her, as she heard her sister wake up. Emma's sister was inside the same room as her, as their parents moved her stuff before they left, so Emma could watch her more closely. She knew she probably shouldn't masturbate while being in the same room as her sister, but she was still a toddler and wouldn't know what was going on. So while she still had some time left before she had to take care of her sister, Emma quickly finished herself off, blasting her huge load inside a condom she used while masturbating. She had to make use of these things, to avoid making a huge mess with her abnormally big load. After Emma recovered from her orgasm and disposed of the filled condom balloon, she went over to her sweet little baby sister. Emma watched her sister who was already moving around in her crib, being the active little toddler she usually was. So Emma picked up her sister and lifted her out of the crib. She held her in her arms lovingly, while she carried her over to her playmat and put her down. Emma could spend hours with her sister like this, either watching her excitedly play with colorful shapes and other toys, or encouraging her to try new and exciting things as well. However the fun didn't last forever, the toddler eventually growing hungry and became a little bit cranky. But luckily for her, Emma knew exactly what was wrong, having spent enough time with her little sister, to be able to pick up on the minute details. So she knew her sister didn't need a fresh diaper or another nap, but was just hungry. Her mother had left them with her bottled breast milk before leaving, but Emma didn't want her sister to eat food from the fridge. Old food from the previous day always tastes worse than fresh one, so it must be the same with breastmilk, she reasoned. And the solution to that problem would be very easy, since her boobs began growing a while back, they became big enough to be noticable and she even had to wear a bra. She was sure she could feed her sister just like her mother always did, so she quickly took off her shirt and undid her bra. Then she placed her sister gently against her chest, just like she watched her mother do many times. The toddler instinctively picked up on what was happening and began to suck on her sister's nipples, trying to feed. As Emma's sister was sucking on her tits, she discovered another great source of pleasure, not yet having tried playing with her nipples yet. So she wasn't prepared for how good it felt and the consequently growing erection inside her pants. Having a hardon made her increasingly uncomfortable, as it was being restrained by her clothes, but she quickly thought of another easy solution. While her sister was still sucking on her nipple, she slowly undid her pants and freed her throbbing cock, careful not to disturb her feeding sister while doing so. What she unfortunately didn't know, was that she was too young to produce any breast milk of her own. Because of that, her suckling sister got fussy when, even after trying for some time, there was no milk to feed on. Emma was taken by surprise when, while she was carefully masturbating, her sister began to cry and stop sucking on her nipple. Maybe that one was empty and her sister needed more Emma thought, but the toddler even refused to try the other one. So Emma was getting worried about what to do, remembering the milk in the fridge. But before she could get the toddler off her chest and get up something unexpected happened. After she put her sister down on her lap and tried to put her clothes back on, she suddenly felt the toddler wrap her mouth around the tip of her cock, which she forgot to put back inside her pants beforehand. Emma let out a loud gasp followed by an even louder moan. She was at least educated a little bit on those things, since her parents wanted to make sure she understood why and how she was different, so she also knew that this was incredibly wrong. But no matter how wrong it was, she couldn't stop herself from feeling so incredibly good. She watched in horror and excitement as her own sister, barely three months old and not much taller than when she was born, wrapped her tiny mouth around her big cock and suckled on it, feeding on her cock juice. She formed an idea in her head why this was happening. While masturbating she was leaking precum like crazy, which the starving toddler thought was milk leaking from a nipple and even though it tasted very different, hunger drove her to those actions. Emma got very proud of herself, as she was now able to feed her sister, not to mention how amazing her discovery felt. So even though she knew better, she let it happen, watching the toddler work her tiny mouth on her big and extra special nipple between her legs. Even without any previous experience in pleasuring a man, the small toddler did so with incredible determination. She even worked her tongue between her sister's tip and foreskin, sending shivers down Emma's spine. After she suckled some more, when she tried to grab hold of it, she accidentally pulled down her sister's foreskin entirely. Emma almost jumped up at the sudden sensation, but she was able to control herself as her sister stopped sucking for a moment and began playing with her foreskin. The cub began pulling on the foreskin, trying to get it back up and then back down again, unknowingly stroking her sister's cock. The cub was an incredibly fast learner as well, as she quickly discovered that if she would rub her hands against her sister's tool like this, even more tasty cockmilk would come out of the tip. So as more cream was leaking and shooting from Emma's big rod, her sister quickly began suckling on it again, squealing happily. Getting her cock suckled by her sister wasnt quite enough for Emma to cum yet. Getting another idea to get even more pleasure from this, she carefully picked her sister up and gently placed her on the couch. Now Emma was able to kneel above the cub and stroke her own cock while she worked her mouth on the tip. With time Emma began to push her cock harder against her sister's mouth, the tip of her dick slowly being forced inside, the tiny mouth of a toddler enveloping it with an incredible tightness. Doing this, Emma was getting very close to shooting her massive load inside her sister. Her cock was throbbing and pulsing violently, as her balls tightened and began pushing out her cum. Before she could think about it too much, her cum shot out of her baby loving cock and right into her sister's tiny mouth. With no other way to go, her massive load forced the cub to swallow all of it, as her mouth was forcefully plugged with her sister's cockhead. Being filled with cum the toddler quickly began to look like one of her sisters used condoms, big and round, her belly wobbling with every pump of Emma's balls filling her more. Her belly stretched to almost twice her own size before the forcefull torrent of semen finally stopped flooding her tiny body. Emma was exhausted after this ordeal, never having had a better orgasm in her entire life. She looked happy and proud at her baby sister's filled stomach, having done her duty of feeding her, even if it was with her cockmilk. So with this experience on her mind, she couldn't help but repeatedly "feed" her baby sister, until their parents came back home.