Mikey began to feel that familiar sensation racing through his body as his legs begin to grow longer and longer stretching his body until he measured six feet tall. As he began to get his footing, his legs began to thicken packing layer after layer of muscle on, giving him thighs the size of watermelons that could crush anything between them. He reached out to grab onto the wall for support and felt his arms reaching further and further as his hands began to grow wider to match his new build. His biceps began to fill, ripping his sleeves and turning his tight t-shirt into an involuntary tank top. As he finally began to catch his breath, he could feel his chest filling with more air each time, as he looked down, he saw his chest expanding giving him a large barrel chest as his shoulders broaden to fill his frame. His vision was soon obscured as his pecs began to swell and expand becoming the size of two bowling balls hanging off his body bursting free of his shirt, no longer able to contain the man he was becoming. As he began to feel his new chest, his stomach began to rumble as it slowly came into view beneath his newly expanded chest. A large, firm, powerful gut had grown in adding more mass and making him look more and more imposing. He leaned against the wall for some stability as he suddenly felt himself being pushed away from it. He turns around and saw his ass filling and expanding making his skin tight underwear be pushed to its limit as two large, bouncy yet strong, basketball sized cheeks burst free of their containment. He laid down on the floor to rest and recover from all the growing that he had gone through. But as if on cue, the final parts began to take stage "Daddy, my peepeee feels really weird" he said in a high pitched voice not matching his newly developed form. Suddenly his balls began to hang lower and lower and filled with semen to be released. His dick began to stretch longer and longer without ever getting hard until it reached eight inches soft. It wasnt long though, before his cock began to harden and stretch to a full foot long. Without ever touching, his cock erupts spraying cum everywhere as the rush of testosterone raced through his body covering him in a layer of thick hair and dropping his voice to a powerful baritone. "I feel weird daddy"