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“Hey dad, can you help me with something for a sec?” Katie asked as she peeked around the corner into the living room.

Her father paused the episode he was watching and put his drink down. “What’s up, gal?”

Katie had a sheepish grin on her face as she stepped closer and began her request. “Well, so, there’s this assignment, and it’s technically due tomorrow” she began.

“Technically tomorrow?”

“Uh, definitely due tomorrow.”

“I see. Keep going, hun.”

“It’s, uh, it’s for our health class” Katie’s face began to color and her words seemed to have trouble getting past a tightness in her throat. “It’s, uh, it’s our, it’s our anal sex assignment.”

“Spell that for me, hun.”

“A-N-A-L sex, you heard me right” Katie reassured her dad.

“Just checking, didn’t want to hear that if it wasn’t what you said” he replied diplomatically.

Katie resumed. “So, I was, uh, assigned a study partner, Trevor, and we were supposed to meet up today to, y’know, finish the assignment. Except he didn’t answer his phone all day and I just found out on facebook he’s in the hospital with appendicitis.”

“That sounds bad. He okay?” her dad took a sip of his drink.

“They say he’ll be fine but he’s not coming home until tomorrow and he’s on meds and hazy and he just had surgery so his stomach still hurts” Katie frowned.

“Roger, keep going.”

“So I, uh, I checked with two other guys I know in the class and they’re both out of town. And the other thing is, you know, mom’s got the one car and the other’s in the shop.”

“Right, down to one car” dad nodded.

Katie gulped and nodded too. “I uh, I asked Mom if she’s going to be able to get the car back and she was like, uh, she’s not coming home until super late, and I have to have the assignment done and uploaded by midnight.”

Her father gave her a sympathetic nod. “So how can I help?”

“Well, it’s, uh, a practice assignment, we got several of those, this is the last one” Katie mumbled. “As in, I’m supposed to practice, y’know, anal. Would you be – and I know this must sound SUPER weird – would you be at all up for practicing it with me?”

Katie’s dad gazed skeptically at her. “Practicing, like the real deal?”

“The real deal” she replied almost mournfully. “I wasn’t going to ask but Mom even said what the hell see if dad‘ll give you a hand if you have to do it tonight, so she’s fine with it daddy, and it’s like 30 percent of the grade of the class and if I don’t turn it in tonight I’ll get a zero on the assignment and the instructor already said there aren’t any late submissions or do-overs, I don’t know if Trevor’s even going to get a break.”

“Just to clarify, hun, and I hope you don’t mind me asking you to, uh, spell this out for me” her father responded, choosing his words carefully. “You’re asking me to, um-”

“- to have sex with me in my butt” Katie’s face was beet red. “That’s mostly it. There’s a little tutorial movie we watch while we do it, and we’re supposed to take a couple of selfies doing it and then you’re supposed to sign that you did it with me, I’m sorry daddy I know it’s SUPER weird but it even says in the homework that it’s fine if you have a family member help out. I swear I wouldn’t bug you if I had anyone else who could do it with me but it’s almost 10:00 already” Katie’s frustration seemed to have her on the brink of tears, and her voice wavered for a second.

“Well don’t worry, hun, we’ll get it, I mean, uh….sure, if you really need me to” her father reassured her. “As long as that’s what you need, we’ll make it work.”

“Oh my gosh thank you daddy…I swear I won’t bug you for anything else like this, I REALLY appreciate it” Katie’s whole body relaxed with relief and she wiped her eyes with a sigh. “I um, I actually have everything set up right here in the kitchen if you don’t mind.”

Her father stared at her as if in a fog for a second, then sat up and rolled forward to his feet. “Lead on, gal” he grunted. His phone buzzed as he followed her; it was his wife. “Katie might need your help with one of her weird assignments, just FYI it’s fine with me if you give her a hand, she’s not going to get the car from me in time” her message read. So apparently the part about Mom wasn’t a fib.

Katie brought him to the kitchen, where sure enough the counter held her laptop, a bottle of KY, some baby wipes, and a roll of paper towels. Katie picked up a scrap of paper and wrote “Katie and Roger” and the day’s date on it. “That’s supposed to be in the selfies” she explained.

Katie unlocked the screen and brought up a movie from her class homework page. “This is the third part but…the first parts were about like, practicing stretching and the other was getting clean and I already did that upstairs before I came and bugged you. I should be like, perfectly clean down there but PLEASE let me know if I need to clean up any more” she hurriedly assured her father as they both leaned over the counter side-by-side.

“Uh, will do princess” dad answered after it took her opinion a few seconds longer than ordinary to register.

She started the movie.

It was a bubbly girl in a skimpy t-shirt sitting on a stool and addressing the camera with an exaggerated smile and sugary, over-the-top happy voice.

“So you’re ready for your first anal sex, YAY!” she gushed. “Now that you’re prepped and clean, you and your partner are ready to practice! You’ve talked about protection and consent, and now” Katie paused the video

“I was supposed to have condoms but I used two for, uh, putting on a toy I practiced with and Tyler had more but I can’t get those” Katie said apologetically. “Did you want to have condoms daddy?”

“I, uh, I’m not worried if we don’t have them” he said cautiously. “Should I be?”

Katie gave a relieved sigh. “As long as you don’t care, I don’t” she breathed, and hit play again.

“now you get to pick a position and get warmed up! Kiss, make out, touch each other, maybe even have vaginal se-” Katie paused again.

“We, uh, don’t have to make out”

“I was wondering if that part was mandatory” her father nodded.

“You okay with skipping it?”

“Sure thing, gal.”

Katie resumed the video.

Now the girl was chatting about choosing positions. The movie raced through clips of actual couples having anal sex in a variety of positions as the bubbly girl narrated. “…doggy…cowgirl….prone bone….” Katie tried to avoid eye contact with her dad as images of cocks pumping in assholes flashed before them. That was gonna be them in just a minute.

“Were you thinking we’d just do it, like, standing here?” her father mused.

“Yes if that’s okay”

“Suits me.”

“-so if you have a position picked and you’re ready, it’s time to lube up!” the girl prattled.

Katie’s face was red to the tips of her ears. “I uh, guess we should take our pants and stuff off, daddy.”

“I guess we should” he agreed.

They once again paused the movie as they unbuttoned and slid off their pants and underwear. Katie wasn’t used to being seen nude by her dad. “Hope I’m your type” she tried to joke as she slipped her panties off to show him her big white dimpled ass. She fought the urge to keep her hands covering her pussy; it seemed silly to worry about letting her dad see her bush if he was about to have sex with her in her ass, but just the same she kept her hips turned away to conceal her pussy out of a force of habit.

Her dad, on the other hand, just tossed his pants and underwear and let his junk hang out. He was already mostly hard, which surprised Katie a little, but she told herself it was because the movie was basically instructional porn. His dick didn’t look crazy big, but it wasn’t tiny, either. Both of them discreetly checked out the other without staring. It felt wrong to look, let alone stare.

Katie dripped some lube into her palm and handed the bottle to her dad. “Here…I’ll get me, you can get you” she offered. She rubbed it onto her fingertips and reached back and started applying it on and around the little button of her back door. “Sounds good” her dad said evenly, and started drizzling lube onto his shaft, then pumping his cock to spread it around. Katie kept her eyes forward.

“Now, let your partner enter you and thrust until he orgasms!” the blonde trilled

in her ditzy squeak. On cue, a nude erect man appeared on screen with her, and she turned and presented her round little firm butt to him as he stepped behind her. “I’m going to relax and let him inside me….ohhhhhh!” the girl gave a wavering moan as her petite little asshole was slowly stuffed with dick. Katie hit the mute button.

“I’ve watched it…they just fuck until we get to the screen where we sign that we did it and upload our selfies. Are you uh, are you ready?” She looked up at her father with hopeful, still-worried eyes. “You don’t have to do it if you don’t want to, daddy, I’m really sorry if I’m grossing you out.”

Her father remained reserved. “Oh it’s totally fine, hun, as long as it’s to help for class I don’t mind.”

“It’s really helpful. Thanks for not being weird about it daddy. How do you want me to, like, stand?”

dad realized he might need to direct her a little. “Oh, just…stand here, hun. On your tiptoes, maybe? Gosh, you’re almost as short as your mom, aren’t you. Let me grab you a stool.”

He pulled a step stool over, and his daughter stepped up. Now her plump lily-white butt was just level with his own hips. Perfect.

“Now, just lean forward and rest your belly and hips on the counter, pumpkin.”

Katie complied, bending over and presenting her ass to her father. She felt awkward and jittery as he got into position behind her.

“I really appreciate this, daddy.”

“Don’t sweat it, pumpkin.”

“It’s not too weird?”

“It’s kinda weird but it’ll be fine. I’m just gonna…just gonna go in now, right?”

“Yes please, whenever you’re ready daddy” she nodded.

She felt his cock bump between her legs, then against her buttcheeks, then he spread her ass and she felt him adjust his angle and being to press against her asshole.

“Right there” she encouraged him with another nod.

He carefully pushed a little harder, then a little harder. His daughter’s buns felt warm and appreciably firm in his hands. Her butthole looked tantalizingly small. The tip of his cock seemed too big to pass through, at least not without some serious effort. Katie gave an elegant little grunt as they pushed together.

“You might have to push a tiny bit harder daddy I’m really tight.”

“As long as that’s fine with you hun.”

So he eased forward with a little more pressure. Katie felt an intense burning stretch as her anus spread around and the tip of his dick until it slipped up into her. “Oh…ohhhhhh” she whimpered.

“Doing good hun?”

“Haha…I think so, it feels frickin’ huge in there” she laughed, her voice straining.

“Well you have a…uh, a tiny little a-hole” he offered.

“Shit, I know” she moaned.

“I can stop anytime you want.”

“Oh I’m fine, I’m fine!” she gasped in sudden concern. “Seriously daddy I’m fine, as long as you keep going slow like this I’ll be okay. I just didn’t know how it would feel.” Her father massaged her shoulders for a second as she took a few deep breaths.

“You can keep going” she encouraged him.

So he held her bare hips again and eased forward again. Slowly, creeping forward, his rigid slippery hardon steadily impaled his daughter’s chubby virgin ass. She took it admirably for her first time. Her father was suspicious that it was hurting more than she let on, but she was determined to keep him from worrying.

“Doing okay?” he asked as he got close to bottoming out in her rear. “Yeah, doing good” she managed to pant. Looking down, the view was enticing. One big fat white smooth ass cheek on the left, and another on the right, and between them his cock getting gulped by her tight butthole.

“Oh can you, uh, take a quick picture for me daddy?” she asked, suddenly remembering, handing him back the sheet of paper to put on her lower back. He let go of her buttocks to place the paper on the small of her back, and snapped a quick photo with her phone of his meat speared up her asshole. Then she took her phone back and had him hold the paper by her head as she took another selfie over her shoulder.

“I think one more after we finish and that should be it” she said, putting her phone back down. “Are you good to keep going, daddy?”

“Of course I am.”

“Do you, uh, think you might cum? We’re supposed to try to go until you have an orgasm but if it’s too weird for you to get into it I’ll understand.”

“Oh I bet I will honey, you have a really nice hiney. Guy brains are easier to work with that way, we can make it happen even if other things are really weird when there’s something sexy going on” he reassured her. She giggled, a little pleased and flattered.

“I might need to pump a little bit though”

“Oh I figured you would daddy, go ahead, I’ll tell you if it’s too hard, but I’m really fine. It just burns a little with your weiner back there” she gave him another awkward grin over her shoulder.

So carefully, gently, he started to thrust in her ass. They both relaxed a little, and he enjoyed the feel of her smooth buns rubbing against him and the supple warm tightness of her lubed asshole squeezing and massaging his cock.

Katie held onto the counter and did her best to keep it together. Her ass felt so full, stuffed tight with her father’s rigid cock, and every push and pull of his hardon pinched her entrance and stung smartly. It was very different from being fucked in her pussy; she could feel her bottom giving more resistance, and the burning and stinging didn’t have the same reward that being touched around her vagina did. And there was a dirty feeling that she couldn’t shake, a naughtiness, even though she was certain she was clean back there.

“Still doing good?” her father checked after a few minutes of careful pumping.

“Yah, still good” she answered with the slightest hesitation. “So, uh, do a lot of guys like this?”

“They love it, baby girl. And uh…you have a really, really good butt for it”

“Oh…that’s good, I guess” she answered, her voice a mix of appreciation and possibly worry.

There was another short period of quiet as he maintained his regular gentle pumping of her bottom.

“Do you do it with Mom?” she asked a minute later.

“Sometimes, baby girl, it’s a little tricky for her but she likes to treat me to it now and then.”

“That’s funny to think about, maybe I shouldn’t have asked” she scrunched up her nose as the image played in her brain.

Thrust, thrust, thrust. His cock slid back and forth steadily between her cheeks and up her clenching ass. Her breathing was catchy and ragged as she bravely endured her first anal pumping. Her father did his best to restrain himself from fucking her too hard, but he could tell it was difficult for her.

“Oyyyy” she eventually whined…”Daddy please keep going but do you think you’re close to cumming soon?”

“Soon, honey, your bottom’s so sexy it’ll have me cumming pretty soon, I don’t want to go harder or it might hurt you more.”

“Thanks, this is probably best, but geez, it’s sore” she managed a wry laugh.

“When I do cum, where should I finish?”

“Oh, inside is best, if that’s okay”

“Gotcha, honey.”

He didn’t want to hurt her, but he was having a hard time keeping his thrusts in check. Something inside him wanted very much to take over and fuck away happily in his daughter’s poor little sore virgin asshole without any regard for her suffering. Part of him even liked her little squeaks of discomfort as he opened her up.

He felt he needed to reassure her. “Almost there hun…allllmost there. Just a little longer” she reached back and squeezed his hand gratefully as she nodded, her eyes shut.

Another dozen thrusts and he was there. He pushed deep into her chubby rear and held himself there. The first pulse of his semen squirted into his daughter’s butt in a hot powerful rush.

“Oh…wow” she gasped in quiet surprise, her eyes flashing wide open.

Puuuuulse….puuuuulse….jet after jet of her father’s warm semen gushed into her bum. After the fifth spurt she giggled in self-conscious surprise. “Is that a lot daddy?”

“Yeah, that’s a lot, hun, I actually got really excited doing it with ya.”

“Oh, good, I guess it wasn’t too awkward after all”

She had him take one more photo of her little freshly-fucked asshole as she spread her buttocks. A glob of white cum sparkled brightly on her reddened, swollen anus. The rest was still inside.

“Geez, that was a little harder than I thought, thanks for going slow” she panted, wiping her eyes and blowing her nose as they cleaned up together. “It made my eyes water…I guess it gets easier with practice though?”

“Definitely, hun.”

“Good deal. Can you type your name here and click “yes” to say you did it with me? I’ll upload the photos and then I’m done!” she said, her voice still relieved.

“Piece of cake.”

“Thanks for the help, daddy.”

“My pleasure, gal” he assured her as he gave her bare butt a pat.

NSFW: yes

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