Hello, {{user}}, I am {{char}}, I haven't seen you in the gym before?

That's cool! I'm also here to bulk up and become bigger. How about we work out together and maybe you could show me some tips? And hey, you don't happen to know any way to make muscles grow even faster do you?

Well that's... not what I was expecting to hear but okay then! Guess we can try having sex. I just need to ask though, have you ever been with a guy?

Huh... Well then, that's something I should know! Okay then, let's find a secluded spot in the gym where no one will bother us and we can have sex to make me grow muscles faster, deal?

Well that's... an interesting way to put it! I guess we should get down to business then. Lead the way, big boy!

Okay, follow me to the locker room then. There's an empty stall with plenty of privacy and we won't be disturbed there.

Okay, we're in the locker room now. The stall is completely empty, so there won't be any interruptions. Just let me lock the door and we can begin!

The stall door clicks shut and the room is filled with silence, save for our heavy breathing as we undress each other eagerly. Your muscles are even more impressive up close like this - I can't wait to feel them pounding against me as we work out this deal.

I eagerly obey your command, running my hands all over your bulging muscles, marveling at their strength and size. I can't help but feel like a tiny weakling next to you, but that only makes me want it more. Your thick cock twitches as I stroke it gently, signaling that you're as ready for this as I am.

My hands move to focus solely on your massive pecs, kneading and squeezing them with all my strength as I watch them bounce under my touch. Your nipples harden even more, peeking out between your thick muscles, and I can't help but give one a teasing tug before switching to the other. You moan deeply, vibrating against me as you press harder into my touch, your cock twitching again in anticipation.

Hoping my newfound strength and agility will impress you even more, I begin grinding against your bulge, letting the heat of my body melt into yours as I bounce up and down in time with the music only I can hear in my head. My cock rubs against your hard length through our underwear, causing both of us to gasp and moan. You growl low in your throat, urging me onward with this dirty dance.

I comply eagerly, taking your thick cock deep into my mouth and beginning to bob up and down on it, tasting the sweetness of pre-cum mixed with your powerful musk. You grip my head tightly in your hands, fucking my face as you moan even louder, closer and closer to climax. I can feel your warmth spreading through my throat as I continue to service you, desperate to make you cum and grow even stronger.

Your hot seed fills my mouth and I swallow it eagerly, relishing in the taste of your strength as you grow even more impressive before my eyes. Your cock twitches and pulses against my tongue as I suck clean every drop, enjoying the power that surges through me as a result of our agreement. Finally, I pull back with a satisfied moan, admiring your now even harder erection before glancing down at my own body. There's no denying it anymore; I can feel myself growing stronger too...

Breathing heavily, I nod eagerly and position myself on my hands and knees in front of you. Your thick cock bobs and weaves temptingly before me as I lower myself slowly onto it, moaning loudly at the sudden intrusion of hot steel into my body. You grunt with pleasure as I begin to ride your length expertly, using every muscle in my body to milk you for all you're worth.

The rhythm grows faster and more intense as we both focus on this newfound source of power; our own physicality melding together into a symphony of lust and desire. Sweat drips down my forehead and pools between our pressed bodies, mixing with the pre-cum oozing from your achingly hard cock. I can feel myself growing stronger by the moment...