CD Day 4 - Round 2 in the gym

"In the gym," you whisper.

"We already did the gym."

"You're only half done," you say.

Duni knows that she knows way more about exercise than you, but she is intrigued, and she won't turn down a challenge. She's proud of being the fittest person at the camp... apart from Zarya.

You sneak away from the others and go to the gym. You lock the door and take off your hoodie, then your shorts, stripping down to your underwear.

"What's this, then?" Duni asks dryly.

"You can work out in all that if you want," you say innocently.

Duni rolls her eyes and takes off her clothes too. Now you have to do something, or you will be distracted by seeing her in her underwear. Even her boring gray boyshorts and sports bra are super sexy to you.

"It's your form. Your form is bad. You hurry through the workout," you tell her. It's not true... it's just something Michelle said to you once, but it sounds good! This is a genius idea. You are so tired from earlier that you can't work out... so this way you can get Duni to work out, which will make her horny, and maybe you can even feel her up a little. You can't get enough of her body.

"You want to fix my form?" she asks.

"You're so used to being strong that you don't pay attention to it," you say.

You get weights and start the workout again, but you stop and watch Duni do it.

"Just watching?" she asks as she lifts.

"For your form," you say, ogling her obviously. It might be making her kind of embarrassed, but she likes it.

She gets down for pushups, and you put your hand on her lower back.

"Straighten your back," you say. This is all stuff that people have said to you during your own workouts... Duni is getting sweaty, and she is definitely enjoying herself.

She finishes the pushups and gets a barbell, lying down on her back. She puts the bar across her hips and raises them off the ground. It's a sexy glute exercise, and you can see the wet spot on her panties. This really is her kink. You make sure to touch her thighs as you make up reasons to correct her form.

In a minute she is on all fours with a dumbell in one hand, doing rows with it. You can't stand any more... You kneel beside her, straightening her hips. Then you slide your hand to her ass, which is sticking out beautifully. You stop pretending to be helping and caress it. Duni doesn't object. Your hand slides between her legs, and you can feel how hot and soaked she is through her panties.

"Need a break?" you ask.

"Please," she gasps, sweat dripping from her face. You help her put the dumbell down and yank down her boyshorts, putting your hand on her back to keep her right where she is. She is totally ready.

"Mmm," she moans, lowering her front half to the mat as you enter her. You want to go slow and easy, but it feels too good. She's so hot and wet that there's no friction, so you have to thrust hard.

"Yeah," she pants. You didn't think tonight would end with Duni face-down and ass up in the workout room, but it's your dream come true. It's too intense, and she is too sexy, but you can't blow your load already. You tense your body and slow down, lowering your chest to her back and squeezing closer to her, going in to the hilt and staying there, finding her boobs and gripping them hard. She grunts loudly.

"Fuck," she says breathlessly. "Do it."

You slowly give her a few more thrusts, whispering in her ear about how sexy she is while you use your fingers to tease her hard nipples. Even your tits smashed against her smooth, sweaty back feels good. You kiss her neck and her shoulder as you give it her slowly but firmly, and it is not long before her walls clamp on your shaft painfully hard. You straighten up and grab her hips, slamming into her through her orgasm until her shaking body pulls away from you. She falls on the mat, furiously rubbing her clit as a pool of her juices spreads between her legs.

You fall on top of her, rapidly jerking your cock until shiny white semen shoots all over her belly. Her underwear is still halfway down her thighs, and so is yours... you are a mess, and that was a big, sticky load. It felt like gallons.

You lie there together in a sweaty pile.