{"sf1_id":null,"sf2_id":"mBBVGBXm","title":"Dad’s Eating My Ass (While Sis Is Next Door)!","author":"SmuttySammi","words":1912,"posted_at":"2026-07-11T17:29:59.000Z","tags":["age difference","almost caught","anal","anatomically correct","belly","canine","chubby","cum inside","dad","dadbod","deepthroat","fat","fat cock","fatfur","father","father and son","gay","incest","knot","knotting","male","moobs","musk","oral","plot development","rimming","risky","series","sex","sheath","short story","size difference","son","student","teasing","twink","yiff"],"url":"https://fse.anthro.fr/stories/mBBVGBXm-dad-s-eating-my-ass-while-sis-is-next-door","original_url":"https://sofurry.com/s/mBBVGBXm","image_url":"https://cdn.sofurryfiles.com/submissions/thumbnails/7a/7b/7a7bd7e8-bb44-4713-a0b0-ea49cd5b1eae","description":"This is part 10, see the Adventures WIth Dad folder for more parts of this story!  \n (The first 4 are all in the same upload \"Dad's Been Stealing My Briefs!\")  \n  \n Riskiness = Sexiness???  \n  \n Thanks for all the support on these stories \\\u003c3  \n  \n It's really hard to grow a following as a furry writer, so please show some love if you enjoy this, and remember, horny comments are welcome!","content":"It hasn't been easy to find time alone with Dad lately. With my sister around, our opportunities for intimacy have been confined to awkward, fleeting moments: a touch and squeeze when passing by one another in the night or copping a quick feel when sis is firmly planted in another room. It’s been tricky to push past the fear of being found and take things any further. I intended to creep into his room a few nights ago, but heard movement in my sister’s room when sneaking by and bailed out. The reward didn’t quite seem equal to the looming risk.\n\nThat said, the next night I decided that, actually, the risk didn’t matter so much. Not because sis seeing me boning down with Dad wasn’t likely to end in disaster, but because I was going crazy jerking myself off thinking about Dad dicking me down when I knew the real thing was _right there_. Turns out that, if you’re horny enough, you can muster up the courage to do anything.\n\nThere was light leaking from behind my sister’s door, so I knew she must be awake, but all was silent. It barely mattered either way, I don’t think I could’ve held myself back if I’d tried. Quiet as I could, walking on tiptoes, I crept over to Dad’s room, cracked his door open and snuck in.\n\nI caught him laying on his bed, stark naked, a pair of my undies draped over his muzzle with his dick in his hand. He was startled at my entry and jolted up to sitting, throwing the cover over his lower half—whereupon it immediately tented over the outline of his thick cock. A second later he realized it was only me and settled down, motioning for me to close the door as he threw off the cover once again and resumed stroking his fat hog.\n\nHe didn’t need the underwear anymore, instead he ushered me over with his free paw, wordless, and got me to mount the bed beside him.\n\n“Is she asleep?” he whispered.\n\n“I’ve missed your cock,” I swerved the question.\n\nHe nodded, licked his lips.\n\n“I need your butt.”\n\nI stripped off my pajamas in a burst of sudden movement triggered by those magic words, then made to straddle his wide midsection, but Dad grabbed hold of me, stopping my advance and shook his head. I tilted mine, confused.\n\n“Sit on my face, son,” he said. It was a command.\n\nMy cheeks ran hot. This was new. I guess I shouldn’t have been so surprised, seeing how much he liked sniffing my briefs. Fuck, even the idea of getting rimmed had my own dick peeking and leaking.\n\nI nodded. He needed no further encouragement to grab my hips and drag me up the bed. Giving in to his demands, I lifted my leg over his head and before I could even settle he was pulling me down, sticking his snout between my ass cheeks, his tongue lapping at my hole with unrepressed fervor.\n\nA shiver of pleasure shot up my body and came out as a moan. Immediately I slapped a paw across my mouth. I wasn’t exactly trying to be quiet, sis could’ve heard. I knew I needed to be more careful…\n\nBut that wasn’t exactly easy with Dad shoving his tongue up my ass while pawing off his fat cock in front of me. I had to chew my lip to keep myself shut up. I couldn’t _hear_ sis moving around or leaving her room and, well, there were other things on my mind, so, I decided on another plan for keeping my muzzle occupied.\n\nNeedless to say, moments later I had Dad’s cock in my mouth. No longer needing to stroke himself, he held my sides and kept my rear grounded enough that he could continue his sniffing, lapping and probing unimpeded. It was an overwhelming mess of sensation. As my tongue cupped his pulsing length, my whole body was trembling. He was leaky as hell and I sucked down his pre as it came. I couldn’t help but whine and moan, the noises coming out muffled through my nose while my mouth was being put to proper use.\n\nDad’s cock was all that mattered. Having not been able to taste it for days, I had become borderline feral for it. My head bobbed at a rapid pace, my tongue swirling around his thick rod with the exploratory excitement of a pup. Dad was moaning into my ass, at least when he wasn’t sticking his tongue up there, making my body tingle and my tail twitch in delight. I realized that, in some sense, I was taking Dad at both ends. The thought alone was enough to have me leaking all over Dad’s chubby belly as we continued our tangled, writhing embrace.\n\nIt wasn’t long until Dad’s dick was throbbing and dribbling a constant stream of pre into my mouth. His knot had popped free at some point during my repeated head-bobbing and I knew it was fully swollen by the way my lips rammed against it like it were a wall. He was close to cumming, I’d had enough sex with Dad at this point to know that for certain. I thought about opening wide around his knot and sucking down a load, but after a few days without his dick, I was desperate for something else.\n\nI pulled away, sitting up, my ass putting pressure on dad’s greedy maw, letting out a vibrato moan as I did so.\n\n“Dad,” I said. “I need your cock.”\n\nHe understood what I meant without any further explanation. I could feel more than hear his rumbling growl as, with one final probe of his tongue, he extricated himself from under me, sliding down the bed and then coming up to all fours, licking all around his muzzle as he waited for his prey to get into position.\n\n“Give me that butt, son,” he said. But I was already twisting, lowering my head, presenting my rear to my father. He didn’t miss a beat, mounting up on me as if it were instinct. And, of course, it was. What’s more natural than a father showing some love to his son?\n\nHe was growling as he entered me, his cock sliding into my saliva lubed tailhole while leaking enough pre to act as a second layer of lubricant. I let out a gasp and swore, then grabbed and bit at the nearest pillow, quieting myself as Dad snarled above me. His belly slid over my ass and lower back as he pushed inside of me, stopping only where his swollen knot denied him further entry.\n\nThere was no way he was going to settle for that. Biting harder into Dad’s pillow, I clenched around him. It was all the encouragement he needed. Riled up as he was, he had lost all restraint. My Dad went at me like a jackhammer.\n\nThe bed was creaking, I was whining into my pillow and dad was all grunts and growls, his balls audibly slapping against my cheeks again and again. His knot was edging its way into my hole a little more with every thrust. He wasn’t going to last long, it didn’t matter, I needed Dad’s cum.\n\nSomehow, I had totally stopped caring just how much noise we were making, and as Dad got closer and closer to ramming his knot inside of me the bed grew creakier and creakier. It was loud enough that I didn’t even notice the footsteps.\n\nThere was a single knock on the door. I froze, buried my face in the pillow and willed myself to silence.\n\n“Dad?” It was my sister. Of course it was. Fear, regret and self-directed anger jostled for prime position in my mind.\n\n“Wh-what’s up, Iris?” Dad asked, trying not to sound like he was panting.\n\nDespite everything, Dad hadn’t stopped. He’d slowed, sure, leant down and edged as close as he could so that his thrusts had barely any room to travel, so that he was barely doing more than trying to grind his knot directly into my tailhole, but he hadn’t stopped. My cock twitched, soaked his bedsheets a little more.\n\n“Well, um… There was just a lot of noise in there and, uh… I guess I wanted to make sure you were okay?”\n\nDad didn’t pause mashing his knot against my hole for even a second. It took everything I had to stay shut up. I screwed my eyes shut and let out all my stored energy through some especially vigorous gnashing of Dad’s pillow. Despite a significant decrease in sound, the bed was still in enough motion for its creaking to be audible.\n\nDad cleared his throat. “I’m fine Iris, just, um, rrf, in the middle of something here.”\n\nThat _something_ was me. I wanted to yelp and run and hide, but more than any of those things, I wanted my Dad’s fat knot.\n\n“You’re in the middle of something in… In the dead of night?” Sis asked.\n\n“Well,” Dad said, the word coming out more like a grunt as his knot almost crossed its final threshold. “The thing is, daughter, mmf, not to be graphic, but… Men have certain needs and, rrr, now that your mom and I aren’t… well, when I feel a certain way, sometimes I have to take care of things myself by-”\n\n“Oh my _god_ Dad, gross!” By the speed of her stomping, I think she practically ran away from the room.\n\nIt was a good thing too, because seconds later Dad’s knot popped into my hole and there was no way he was going to suppress _that_ moan. His entire body trembled on top of me as he loosed his load deep into his own son, into me. I was hot all over, shaking and tingling in pleasure and fear, all adrenaline and sex. I squeezed and squeezed my inner walls around his knot, milking him for all he had as he nibbled my shoulder and ears, telling me how much he loved me, how proud he was to bring up a buttslut son like me.\n\nI felt maybe the best I ever had after sex, but also the most shaken. Hopped up on adrenaline as I was, by the time Dad had finished pumping cum into me I had pawed myself the last little way I needed to completion too, further staining Dad’s sheets. I felt no hint of remorse.\n\nBy the end of my orgasm I had returned to reality, but it was Dad who spoke first.\n\n“So, uh… We shouldn’t let that happen again, huh?”\n\nI shook my head.\n\n“Dad, if she had looked in…”\n\n“I know. I know.”\n\n“But there’s no way I can keep myself away from you. I need to take my Dad’s dick or else I’ll go crazy. I’m addicted to you.”\n\n“I know. If I don’t get to fuck my son regularly I’ll be walking around with a boner and pouncing on you at every opportunity.”\n\n“So,” I said. “What are we going to do?”\n\nApart from our breathing, the room stilled into a silence that went on far too long for comfort. For a moment I thought Dad had given up entirely, but he perked up, wrapped his arms around me and squeezed me against his body, his thick arms making mine seem like twigs by comparison.\n\n“You know what?” Dad said. “I’ve got an idea.”","series":{"name":"Adventures With Dad!","previous":"https://fse.anthro.fr/stories/1VY93AAn-dad-i-can-t-let-sis-know-we-re-sleeping-together.json"}}