"Maybe I should gain mass at other points. I always wanted to be female. I wish I would become the female version of me."
The changes started with a tingling sensation between his legs. He looked down and saw his huge member slowly reverting into his body forming a vagina. Then he\she saw two bulges forming on his\hers chest on his\hers massive pecs, slowly growing to a nice c-cup. Now he was definitely a she. Then she saw some feminine rounds forming as her hips got wider and her stomach got slimmer. Then her face became more feminine and her hair got longer until it reached just under her shoulders. Then her hair turned blond and her eyes became blue. During this transformation she didn't loose muscle mass so she looked now like a professional female bodybuilder.
"Wow I look very sexy now. But maybe I should change more?"