Biology Lesson, Pt 3

Read Pt 2 here

Mr. Delany had an entire circle of boys around him, clamoring to get their hands on his cock. Chucky Sorenson pushed his shoulder against Dan DeMarco and wrapped his hand around it but then Dan pushed back and Chucky shoved him again.

“Boys! Enough!” Mr. C said. “Everyone will get a turn. Be respectful.” Dan, red-faced, looked down at the floor, and Chucky smiled as he stroked Mr. Delany’s boner, looking down at it in awe. Two other boys hoisted Mr. Delany’s heavy, smooth balls in their hands.

Meanwhile I was pretty obsessed with Coach’s hole. “Let me show you something you might like,” Mr. C said to me. “Like we talked about before, the human anus is full of nerve endings and extremely sensitive,” Mr. C said as he casually swept his thumb over Coach’s hole. “So any type of stimulation can feel great, especially a tongue,” Mr. C said, and then he leaned down and flicked the tip of his tongue against Coach’s hole.

“Oh fuck,” Coach said, real low. I knew it had to feel pretty amazing for Coach to swear in front of us. Mr. C just ignored it. 

“Want to give it a try, Nate?” Mr. C said. I leaned down and put my face between Coach’s big cheeks, then licked his hole. I wasn’t sure how it would taste but I loved it. Coach let out his breath. “See?” Mr C said, giving me a wink before moving over to where the boys were trying to take turns stroking Mr. Delany’s cock. Mr. C whispered in Dan’s ear and then I watched as Dan leaned down and took the head of Mr. Delany’s cock in his mouth.

“Let me try,” Kuzak said after I’d gotten the hang of licking Coach’s hole. Kuzak was more rough about it, really getting his tongue in deep, which made Coach start to moan. So I took cues from him and licked deeper. We switched back and forth, taking turns licking it. Eventually Mr. C came back over to us.

“He’s probably ready for more, boys,” Mr. C said, clutching Coach’s left muscle cheek in his hand. He slipped a finger inside of Coach who moaned even louder. “Are your penises erect, yet?” 

“Yes, Mr. Christianson,” Kuzak and I said. 

“Coach? Are you ready to show the boys what you can take?” Mr. C said.

“Sure am,” Coach said. I let Kuzak go first. A bunch of boys watched avidly as Mike Kuzak lined up his short, fat dick to Coach’s hole and slid it inside till his hairy balls were pressed against Coach’s ass. 

Meanwhile on the other side of the room, everyone was clamoring to try and fit Mr. Delany’s cock in their mouths.

“Look how much I can take!” Dan DeMarco bragged, then got it almost halfway down his throat.

“Whatever,” Chucky Sorenson said as he pushed Dan to the side. “Watch this,” he said, and got it nearly all the way down to Mr. Delany’s balls before he choked.

“I bet I can get it in my hole,” Dan DeMarco said. He had his pants around his thighs and was priming his hole with his finger.

“Go easy, now,” Mr. C instructed as Dan got on the desk and straddled Mr. Delany. Dan’s face went red as he sat down on it. When he got the head inside I thought he was gonna stop. 


“C’mon, Dan,” Chucky said, pumping his own hole with two fingers. “I can take it better than you can.” 

“I’m cummin,” Mike Kuzak said. He’d been fucking Coach with shallow pumps, but now he held his dick deep. His forehead glittered with sweat as he panted and unloaded. 

“Atta boy,” Coach said. “Who’s next?” I let Jimmy Kowalski go, he had a pretty big dick and it was fun to watch him put it inside Coach. He was getting into it, too, making Coach’s big body sway as he pounded into it, even smacking Coach’s big butt as he fucked, which Coach seemed to like.

Meanwhile Dan DeMarco had stuffed even more of Mr. Delany’s huge cock into himself. Mr. C was right there, encouraging Dan and giving him tips on relaxing to take it. Finally Dan sat down on it fully.

“Great job, Dan,” Mr. C said. “Just rest there for a moment. See how much the anus can accommodate?” he said, addressing the boys who were watching, most of whom were stroking their hard cocks. “It really is a remarkable organ.”

“Told you I could take it,” Dan said to Chucky.


“Took you long enough,” Chucky said, and rolled his eyes.

Coach was a cool customer as Jimmy fucked him. “Doing okay there, Watts?” Mr. C said, slapping Coach’s meaty shoulder. Coach nodded and smiled, head bobbing as Jimmy railed him from behind.

“Excellent lesson plan you’ve developed here, Adam,” Coach said, using Mr. C’s first name. 

“I’ve always found hands-on learning to be most effective,” Mr. C said.

“I’m gonna cum,” Jimmy said, and the teachers encouraged him as Jimmy held deep and unloaded his teen nut deep into Coach.

“Next?” Coach said with a hungry look in his eyes. His hole was wide-open now and dripping with cum. 

“I guess I’ll go,” I said. Truth was my cock was throbbing and I was dying to sink into Coach’s hot ass. I didn’t think I was gonna last very long, though.

“Hm that’s a pretty fat piece you got there, Nate,” Coach said. “Let me readjust.” Coach stood and leaned over the desk, then instructed me to get behind him and slide my dick inside. I could feel Kuzak and Jimmy’s loads coating my cock as I stuffed into Coach’s open hole. I started pumping, gazing in lust as Coach’s muscular body, and sometimes looking over at Mr. Delany who was leaned back on the desk, his perfect body in repose, face expectant as Chucky Sorenson took his turn on his cock.

“Watch this, DeMarco,” Chucky said as he parked his butt over Mr. Delany’s huge piece and began to sit down on it. With one motion he took the entire thing, and you could tell Dan was impressed even though he was trying to play it off. “See?” Chucky said, his hard cock bouncing as he rode Mr. Delany. “It’s nothing.”

Mr. C had gathered a few boys around Mr. Delany to teach them about nipple stimulation, and was having them suck and flick their tongues on Mr. Delany’s hard tit slabs as Chucky rode his cock like he’d been doing it all his life.

Meanwhile I was plowing Coach like I was a real stud, despite Mr. C’s ass being the only thing I’d ever gotten my dick into before this. Well minus Dan’s ass, too, but that was only for a second. Still, I’d been fantasizing about putting my dick into someone for weeks, so I was trying to savor the experience, close to cumming as I was. I pushed my dick all the way into Coach and snuggled my chest up against his broad and fuzzy back. I reached around and felt up his solid tits and tweaked his nipples as I fucked. Mr. C noticed and gave me praise.

“That’s great, Nate; get your whole body into play, really lean into the sexual response that you’re feeling.”

“Yeah fuck him, Nate,” Brian Prover said, watching us intently as he stroked his fat dick.

“Now, Brian - none of that language,” Mr. C said.

“Sorry Mr. C,” Brian said.

I ran my hands down Coach’s brawny body and nuzzled his neck. I could hear him grunt real softly every time I bottomed out in him.

“You getting close there, sport?” Coach said in my ear.

“Yeah, Coach,” I said.

“Don’t hold back. Go ahead and pump those babies into me, boy,” Coach said. I reached down and felt his cock. Smallish as it was, it was hard and it really turned me on to know that he was hard from me fucking him. I started stroking him, instinctively knowing that I could probably get both of us off at the same time. 

“You’re gonna make me shoot, boy,” Coach said. I looked over at Mr. C, but he was busy coaching Ryan Anderson who was attempting to get the head of Mr. Delany’s cock inside of him. 

“Take it easy Ryan, go slow, just focus on relaxing, that’s a lot to take…” Mr. C was saying.

“Fuck me boy,” Coach said. His breath in my ear, the intimacy we were sharing - it was pushing me past the edge. 

“Oh Coach, I’m gonna cum in you,” I whispered, and quiet as I was Mr. C still noticed and looked over at us.

“Me too boy, me too,” Coach said in a strained voice and I felt his cock jerk in my hand and his hole tense around my prong as he began to shoot. At the same time, my cock erupted inside of him.


“Class, observe Nate and Coach Watts - they’re having a simultaneous orgasm,” Mr. C said, rushing over to us. Most of the class turned their attention to us as held my cock deep and unloaded into Coach. Coach’s load went all over Mr. C’s desk. 

“Sexual response can create these moments of mutual pleasure, it’s almost a psychic thing,” Mr C said, but I was barely listening because I was so lost in the moment.

“Good job, Nate,” Mr C said, resting his hand on my shoulder as I pulled my dripping dick out of Coach’s ass. “Coach, I’d hoped you would extend the lesson a bit longer…”

“Sorry Christianson, gotta get back to my office,” Coach said, pulling his jockstrap and shorts back up.

“Aw, Mr. C - I was next!” Anthony Mackelis said, hard cock in hand and annoyed look on his face.

“Now Anthony, I’m sorry we couldn’t get everyone in on the lesson but that’s just how it goes, sometimes,” Mr. C said, and directed everyone’s attention to where Ryan Anderson - face clenched tight - was taking every inch of Mr. Delany’s cock. Even though he seemed like he was struggling, his hairless cock was hard and barely moving as he took Mr. Delany’s piece in and out of his tight hole.

A few more boys took turns on Mr. Delany’s cock after Coach left. Pretty much each boy who rode him came with Mr. Delany’s cock in them - it became something like a joke, that just being able to get Mr. Delany’s cock inside you would make you cum. 

Once every boy who wanted to ride Mr. Delany got their turn, Mr. C took the opportunity to get naked and show us a bunch of positions, letting Mr. Delany fuck him from behind, from on his back, and and from on top.

When Mr. Delany was ready to cum a bunch of us gathered around trying to get their hands on his dick and catch his cum. I worked on his nipples and sucked on his ear, which I think helped. He came so much, and a bunch of it got on Dan’s face but he seemed like he wanted it. He was tasting it so we all swiped some up and tasted it, too.

“Well, class, I hope you’ve had an instructive day,” Mr. C said a few minutes before the bell rang, as we all got dressed. Some of us were still hard and throbbing, even Mr. C seemed like he could stand to get off. But Mr. C said that was just part of life - it wasn’t always about reaching orgasm, and we could use the sexual energy we retained from these activities to fuel other pursuits: like studying, or sports.

“Whatever,” Dan DeMarco scoffed as we headed down the hall. He was one of the ones who, even though he’d rode Mr. Delany’s cock for a good ten minutes, hadn’t cum at all. “I don’t care what Mr. C says, I need to cum. Want to come over to my house?” he said.

“Sure,” I said. “I mean, I just shot inside of Coach, but I think I could shoot again.”

“I don’t care if you do, I just need a dick in me till I cum,” Dan said.

“Oh,” I said. “Cool.” And we hoisted our backpacks up and headed out of the school, out into the world which, with each lesson, became a little less mysterious and a little more fascinating. 

The End

All characters are age 18 or older.