You look at Zach, still in disbelief at what he'd just asked you. You knew he had the power to absorb people and turn them into muscle for his gains but you never thought he'd ask you, his best friend. He just smirks while looking across at you.
"You want what?" You ask, still in mild shock. "Well, I've been skipping the gym for about a week and I'm worried I'm starting to get a little chubby. You're the perfect size to balance things out and bring that muscle mass back!" He says casually, as though he didn't just ask to give your life to him for some quick muscle. "No way!" You yell, now just annoyed that he'd consider absorbing his friend.
You turn around to leave his room but the door has been locked shut. You look back and see Zach holding a small key. "I was just asking to be polite" he chuckled, "you don't really have a choice." You back away slowly as he takes his tight shirt off, revealing his imposing body. Your feelings of annoyance quickly shift to fear as he moves slowly towards your helpless form.
Seconds later you feel the ground give way as you trip over a step and land on the floor below, looking up at Zach's powerful form. He bends down and pulls you up with one arm, ripping your shirt and sweatpants off with the other. You're left naked and trembling as your best friend holds you by the arm, smiling down at you.
"Sorry bro, probably not how you expected to go but nothing gets in the way of my gains, just ask my little brother when you get in there" he says, winking. With that he grabs your wrist and moves your hand to his strong torso. As your skin touches his you watch in horror while it starts to fuse with his body. Zach lets go of your wrist and you try to run but it's already too late, you're connected to him now and there's nothing you can do to escape.
"Zach please!" You plead, looking up at him. "If you let me go I'll bring you more guys to absorb! Please, I don't want to get turned into muscle!" Zach looks down at you, seemingly unbothered by you begging for your life. "Even if I wanted to I couldn't let you out now" he said, trying to sound sympathetic. "I'd just relax and let my body claim you if I were you, it'll make things a lot quicker and smoother"
By now most of your right arm has disappeared into Zach's hungry chest. You try to push away with from his body with your left but that just makes things worse. Once your fingers connect with his abs they immediately start to sink in, pulling you further towards your demise. Soon both of your arms are gone and your body starts to melt into Zach as well. You feel your chest touch him and dissolve as he consumes more of you. Your body tingles as more of it sinks into Zach, you desperately try to move but nothing happens.
Soon all that's left outside is your head. You look up at Zach, hoping to get at least an ounce of sympathy but he just looks down at you happily. He smiles as he puts a hand over your face, your whole world going dark as you're absorbed into it.
Once your whole body is consumed by Zach his body rapidly breaks you down, turning you into muscle and absorbing your nutrients. On the outside world Zach moans with pleasure as he watches his muscles grow, every nerve in his body writhing with pleasure. Pretty soon your entire body is gone and you're left conscious inside Zach's body, your mind trapped inside him.
"Don't worry man" you hear him say, unsure where his voice is coming from. "My body should start absorbing your mind or soul or whatever in a few days or so" He says casually. "In the meantime you'll be conscious in there for a while so I'd get used to it!" You try to say something in response but nothing comes out, all you can do is think angry thoughts while your best friend's body continues to consume your body and mind.
Outside Zach catches himself briefly in the mirror. "Damn I look good" he says to himself, practically forgetting that he'd just absorbed his friend to achieve this body. He snaps a quick selfie in the mirror to show off to his gym buddies when he next saw them. "Thanks bro" You hear him say as he slaps his new muscles, "really appreciate it."