[b]This short story contains:

Anthro canine male and female
Incest - brother and sister
Oral
Somnophilia [/b]

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He always had been a heavy sleeper. She'd forgotten just how long she'd been taking advantage of it.

They looked a  lot alike, although they weren't twins - both the same standing height, both with snow-white fur all across their canine bodies. She was a little thinner, perhaps, but it didn't compare to the youthful vigor he seemed to maintain. Relatively new to adulthood and freshly finished with school, he'd gotten luckier in scoring an apartment to live in, and when she'd discovered how difficult this was to achieve, she managed to talk him into splitting the place as well as the rent. It wasn't easy - apparently he'd been looking forward to being on his own - but the two had gotten more or less comfortable with each other's presence and respected their own space and privacy.

All except in this one act she still couldn't believe she dared to do. Yet it was too thrilling to let go of it.

Her brother never locked his bedroom door, never saw a reason to. It was so easy for his sister to slip off the mattress in the living room and sneak into that bedroom, her brother completely oblivous. She could probably turn on the light and tune the radio without getting so much as a stir from him.

Which made it all the more fun to slide that blanket down, exposing his briefs-only body.

Every time, she savored it. There was no way for her to remember just when she'd realized how attractive her brother was. It almost felt like it had been with her all her life, whether or not she'd recognized it. Even asleep, his handsome - or perhaps, cute - white-furred form stirred a warm feeling in her chest whenever she gazed upon it. And times like this were about the only times she really could. Awake he was modest, always wearing nothing less than a shirt and shorts to keep himself relatively well covered around his sister. There was no attraction there, not on his part at least, and she dreaded to think how he'd react if he noticed a less than subtle look being flashed his way by what he considered an ordinary, minding-her-own-business sister.

But with him laying there in dreamland and breathing quietly in his slumber, it was all too easy to hook those briefs with her paws and slide them down, revealing that arousingly plump dog sheath beneath.

His sister would have loved to revel in these things for longer, to break the routine. But she dared not. It was lucky already that he could sleep through this - to prolong the moment only made the chances of it working one more time all the slimmer.

Her paws found his sheath with familiar comfort, gently squeezing and stroking to attract its occupant out of hiding. As the tip emerged, one paw slid down to fondle the twin orbs beneath, expertly handling them with just the right weight and grip that wouldn't spike that unconscious mind of his too hard.

And there her brother was, once again - head lolled back in idle dreams as his briefs stretched halfway down his legs, allowing that pink canine cock to freely throb in open air.

Sparing only a tiny moment to admire her sibling's girth, that eager sister dipped her muzzle down and took the rod in her mouth, gently beginning to suckle with practiced caution.

His sister's mind liked to wander in this moment. Asleep she was limited, always wary of pushing things too far and causing his dreams to end with an unexpected awakening. She could only suck and slurp in slow movements, enjoying the flavor and the drip of pre down her tongue whenever it was given. In her mind though, she could freely imagine her brother being awake, eager and willing to let her experiment with the brushes of her tongue, the grip of her pawdigits, the tightness of her lips. Thankfully, it wasn't hard to picture these things when she actually did have her brother's dick in her mouth.

There was only one endgoal here, and she was very good at it now. Obliviously twitching in his sleep, head tilted to one side in an idle murmur, her brother snoozed on as she edged his member closer and closer to the edge. Sometimes she wondered what happened to his dreams whenever she did this - perhaps they'd get much lewder than usual, an easy explanation to that weird feeling he might notice in the morning. It was hard to say; her brother wasn't the type to share the day's events, much less a dream.

Regardless, his sister knew how to make him cum, aware of it or not as he happened to be, and tonight was no exception. The one sign of its arrival - a quiet grunt of satisfaction in his chest - sounded out as the pink cock throbbed in her muzzle and began spurting its thick and fertile milk. He always had a lot to share, being in his prime... but instead of fertilizing a willing mate, or making a mess of a tissue held in his own hand, instead it made for an embarrassingly addictive treat for his sister to quietly gulp down, cheeks burning a bright warm red.

Already over... these moments went by too fast for her liking, but she dared not stretch her luck. With a remorseful look her digits took ahold of his briefs, giving the canine's spent cocktip a loving kiss before sliding that one garment up to its proper place. Before finishing the job with the blanket, one last glance was spared at his sleeping form, the briefs slightly wet and bulging with the slowly shrinking dick hidden underneath. Such a sight... on a guy she'd have been attracted to and dropped her panties for in a heartbeat if asked.

Of course they just had to be related to each other. Life wasn't fair.

Both satisfied and not, the sleeping canine's sister slipped out of the room and back to her mattress, pondering whether or not to play with herself before letting her own consciousness slip her away into slumber.

Life wasn't fair, but hey. Tomorrow was another day.