I wrote this a couple of years ago, and reading over it just now, it seemed worth submitting. I hope you enjoy reading it, and please, let me know what you think of it!
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"OK class, there's only an hour until lunch is over, so let's get right into it. Take everything off - there's no point in being shy, everyone's gonna be naked."
"When you're ready, get out the oil you brought and get your partner to rub it all over you, starting from the shoulders. Guys, I wanna see you all nice and hard - you get to come first today!"
"OK, keep rubbing, but pay attention to me. Partners, take your forefinger and thumb and make a circle with them, like this. Now, use the circle to rub the base of the head of the cock, up and down. See? You don't need to move more than a couple of centimetres, and start off with the circle really loose."
"Guys, tell your partners when to back off and when to go harder. I don't want to see any come until ten minutes are up from when I say go. When your partner tells you he's starting to orgasm, move the circle right down to the base of the cock and clamp over the urethra."
"Hold on for as long as the guy wants. At the very least, feel a few throbs before you let it go. I want the come spraying your partner's body. Guy/guy pairs, see if you can both come at the same time. Girl/girl pairs, come down the front to the cupboard and grab your favourite toy - just one each! Get up on the plinth with your fannies facing the class - I want you to try and make these boys come before the ten minutes are up!"
As there were two girl/girl pairs, four girls came to the front. Three of them chose clit massagers - I was pleased to see this as at the beginning of term, they all went for slim dildoes. Danica, the fourth girl, was a slightly overwieght girl with glasses and an out-of-date bob haircut.
She had consistently been the most advanced and daring girl in the class, though, and I couldn't wait to see what she'd choose. To my disappointment, she picked out a clit massager very similar to that of the other girls.
Once they took their places on the plinth (only Danica on her knees, facing away), I called out, "Go!"
I scanned over the class to check how they were going. The four guy/guy pairs seemed to be doing the best, working up to a gentle rhythm quite quickly, whereas the girls seemed to be a bit more awkward, taking longer to get it just right.
By about halfway into the ten minutes, everyone was going along pretty well. Nobody was talking, but there was what can only be described as the noise of twenty hands rubbing twenty cocks, underlaid with some heavy breathing (mostly on the part of the guys).
I started making my way around the class once there were about three minutes to go, starting with the guys that looked very close to orgasm. I whispered in their ears for them to hold on a little bit longer. The rest of the guys I quietly told to start getting ready to come.
By the time I'd finished my rounds and gone back to the front, there was about half a minute left.
"OK guys, thirty seconds until you can come. You don't have to do it right on the ten minute mark, but try and orgasm no less than a minute after it."
"Alright, ten, nine, eight . . ." I could see three of the guys in the girl/guy pairs were already in the midst of a climax, but their partners were clamping down around the base of their hard, red cocks just as instructed, stopping any semen from spraying out.
". . . four, three, two, one, COME!" Four more guys had started to come during the countdown, and again, the noise can only be described as seven cocks jetting sperm onto their partner's body. The guys who had come so far were still those in the girl/guy pairs, and they had all ejaculated onto the girls' breasts.
I looked around at the various girls - all their tits, from perky little A and B cups, right up to big, heavy, swaying breasts, were covered with varying amounts of semen.
I looked to the front to see the first guy/guy pair coming in earnest, spraying each other's stomachs with their hard, bright red cocks.
The rest of the couples began to come all at once, the gushing noise even more obvious this time, as ten cocks jetted their hot sperm all over their partners' stomachs and chests.
The four girls on the plinth at the front were going pretty hard now - Danica had redeemed herself in my eyes by using the massager not on her clit, but in her arse. She was on all fours and not touching herself at all, just gently swaying.
"OK, you four up the front, stop please. Not you, Danica, you can keep going. I know it's difficult to stop now, girls, but it'll make you come much much harder later on. That's good."
"Now, everyone gather round at the front here, it's time for a demonstration." While the rest of the class moved down to the front, I went and stood behind Danica.
She was still swaying gently, seemingly lost in the pleasure brought on by the little vibrating bullet.
"Right, everyone. In a minute I'm going to make Danica come. Danica, is that OK with you? Everyone is watching."
Danica nodded her head up and down in time with her swaying.
"Can everyone see Danica's lips and clit alright? No? Danica, please move your knees a little bit further apart. Is that better? Good."
"Now, everyone can tell quite easily when a guy's coming - he tenses up, his cock goes into spasms, and most obviously of all, he ejaculates!"
"Women come in exactly the same way, except for ejaculation. Women can ejaculate, which is something I'll teach you later, but they don't need to in order to have an orgasm. I'm going to use a clit massager to make Danica come, and I'd like you all to watch closely."
"Danica, if you can, I'd like you to describe what you're feeling."
