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Practical Sex Education

For Bloodgod245

By Draconicon

Robbie Sinclair wasn't sure what today's class was going to cover, but from all the whispering going on from the older students who'd been around for a few years, he knew that it was going to be good. They didn't get this excited over nothing; the last time that he'd seen them like this, the dino had been fortunate enough to sign up for a limited pizza party that had been all he could eat. He still remembered how heavy his stomach had felt after that, and how full he'd been for the rest of the day.

Today seemed to be something different, though, as he walked into the biology classroom. His teacher, Lita, was already in the middle of getting her notes together, and the busty dragoness was already quite involved in getting the class to settle down. Or...getting them more amped up, in some cases, with the way that she kept settling her shirt over her breasts. He blushed slightly, walking to his seat and taking his place.

No sooner had he gotten comfortable than she walked over to the door, shutting and locking it, before turning to the class. Her eyes gleamed as she looked them over, and he felt like he was getting examined for a meal, or more.

Finally, the pink dragoness seemed to settle on him, gesturing at him to stand up. Robbie did as she said, coming to the front of the class at another gesture. She had him turn to face the class, putting a hand on his shoulder.

"Everyone, I'm sure you all know Robbie. He's quite the guy, isn't he?"

There were a few mutters from the rest of the class, but nobody said anything. He blushed, but Ms. Lita continued.

"As you can see, he has a fine body, well put together. Muscles that show that he has a strong genetic tendency for muscle building, and a fine constitution. I imagine that if we were to pants him at the moment, we'd see even more evidence of a fine masculinity to this young man."

The class laughed at that, and his cheeks burned hotter than ever. What was she doing? He stared as she let go of his shoulder, walking around him to stand behind him. No sooner had she gotten just out of sight that he felt her hand come up between his legs, cupping his balls. His breath shot out in a whoosh, and his cheeks got even hotter.

"Well, well, looks like he's already quite prepared for the duties of a male. Developing well there, Robbie?"

"Mmmph...y-yes, Ms. Lita."

"Good, because you'll need that for this lesson."

It was almost impossible not to look behind him as she said that, but his sense of self-preservation and her grip on his sack kept him from doing anything. Even when she eventually let go of his balls, he didn't dare turn around. The expressions on everyone's faces as Ms. Lita did...something...behind him made him worried and curious, but nothing short of her command would have convinced him to turn around then.

He shivered, feeling his cock throbbing in his pants, his dick so hard that it hurt. He'd never had someone just grab him like that, though there were a few girls that had rubbed him over his pants once or twice. All after he'd asked them, though, never something like this.

What's going on? Why are they just staring? What's she doing?

"Today, we are going to be studying one of the most basic, and most integral parts of biology. Students, today, we are learning about impregnation and the breeding process."

Oh god.

"Robbie, take off your pants and underwear for everyone."

"Ms.?"

"Take them off."

Hearing the slight edge in her voice, he did as he was told. His jeans went down in a rush, carrying his underwear with them, and the whole class gasped at the sight of his cock leaping up in the air.

It was a pretty good sized one, as Ms. Lita had been commenting. It was probably about eleven inches long, perhaps more, and it throbbed with the beat of his heart as he felt everyone staring at it. He shifted his position, feeling his balls falling back down after being pushed up by the teacher's hand. Some of the girls were whispering to each other, and some guys were glaring up at him, almost like they were envious or something.

The laughter of his teacher brought him out of that, and he turned around as she asked him to. At the sight that waited, his cock almost blew on its own.

Oh my god, oh, my, god.

Ms. Lita had stripped off everything, and while her own dick was a little distracting, the way that she leaned back on her desk and spread her legs to show off her pussy was all that he needed to see. She reached down, rubbing it, and pulled away fingers that were soaked to the scales. She pressed them up against his nose, and his cock throbbed all the harder as he tasted her, smelled her.

"Robbie, come here."

He obediently stepped forward, following her around to the side of her desk as she rolled over onto her stomach. It was a pity to lose sight of her breasts, but her ass...oh, that ass had him hard as hell. It was just perfect, just round and soft and smooth to the touch as he started rubbing it.

Then she spread her legs, his cock throbbing between her ass cheeks, and reached back to pull her pussy lips apart.

"I want you to start pounding me now, Robbie, and I don't want you to stop until you've properly impregnated me. I should be fully pregnant within a couple of days, but you'll fuck me daily until I get a proper test. Do you understand?"

"Understood, Ms. Lita!"

"Then get to it, big guy."

She didn't have to ask him twice. He grabbed her by the hips, his cockhead grinding against her pussy a few times before he found the right angle, but as soon as he did, he slammed in. She was just open enough for him to slide in easily, and tight enough to keep him hot and bothered all the way down. His toes curled inside of his shoes, his eyes rolling back at the intense pleasure of a pussy, a real pussy, wrapped around his cock.

He almost forgot that he was supposed to be thrusting, Ms. Lita having to clench and remind him. However, as soon as he started, she was lecturing, talking about how impregnation worked and how, at times, a bigger shaft was a better development to lead to more pregnancy as it could reach deeper. She praised his shaft for that, and he blushed, his balls churning hard.

Even though he knew that this would be on a test sometime, he couldn't bring himself to pay attention to the material. All he could feel, all he could focus on, was the feeling of that tight, wet pussy around his cock, and how good it made him feel. Every thrust was like thrusting into hot, wet perfect, squeezing him, the inner walls ridged so it wasn't just a smooth thrust every single time.

In and out, in and out, in and out. Every thrust made him feel that much more sensitive, his cock enjoying the slippery sensation so much. His eyes were rolling back in pleasure, his body tingling already from head to toe. He could feel all the eyes of the class on him, and he moaned as he heard some of the girls whispering compliments to his cock, sometimes holding back long enough for them to see the bottom half of his soaked shaft before plunging back in again.

Ms. Lita grunted and groaned every now and then, and occasionally he was reminded of the fact that she had a cock as well as she spurted pre down onto his shoes. It hardly mattered, her pussy too tight and beautiful to pay attention to anything else.

He groped at her ass, squeezing it, pulling it apart to look at her other sexy hole. It twitched and clenched, and a part of him wanted to play with it, but the teacher hadn't invited him. And it wasn't a part of breeding, he knew that much.

So he ignored it with his hands and his cock, though he stared at it as he kept fucking her pussy. He imagined being in there, but even that didn't hold his attention long as Ms. Lita started squeezing down on him, holding his cock in place at times from how tight she suddenly went. He realized, belatedly, that she was coming, but there was no chance to move out of the way in time as she spurted her cum all over the desk and down on the floor.

Even that didn't stop him, as he started hammering away harder and deeper than ever. In, out, in, out, her pussy squelching around his cock, her arousal filling the air and making him harder than ever. The dragoness no longer spoke, just moaned, and she begged him to cum, telling him to give her a baby, an egg, to cum inside.

"Give it to me, Robbie. Give it to me!"

The command pushed him over the edge, and the dinosaur came, his tail going up and his body going tense as he filled her to the brim. Every shot went all the way in, held deep.

#

Months passed, and slowly, the results of their coupling became apparent, Ms. Lita's belly swelling over the school months. Robbie blushed every time that he saw her, knowing that he'd planted that bulge in her belly. It was both a massive compliment and a horrendous embarrassment that she kept showing it off.

After the session, he'd gotten a few offers from other girls, though none of them wanting him to properly breed them. He'd taken those offers, given them a try, and then promptly stopped a few days later.

It wasn't the same as breeding. An ass was nice and tight, and it had a smoother ride than a pussy, but it didn't have the same heat and wetness. A mouth was sloppy and hot, but it didn't have the risk, the need, the purpose that came from fucking pussy. Nothing else was the same as breeding a woman.

And Ms. Lita...oh, she was a woman, and she was happy to let him work.

The months passed, and biology became a class as much about sex technique as about life. He had fucked her a good hundred times by winter break, and she had made suggestions that he might want to come and see her during the break as well.

Robbie thought he might just do that.

The End