Josh soon thought of something that might be interesting to see how far this power went. School getting cancelled and his parents going away because he wished it were improbable, but he wanted to try something totally impossible. For a long time, he'd wondered what it'd be like to be a girl. That would be a fun way to test just how much this power could change.
He undressed and stood in front of his bedroom mirror, crossed his fingers and said, "I am a female version of myself."
As with his first wish, there was a hesitation, and he wondered if this was too big a change in reality. But a moment later, an intense and indescribable sensation engulfed his body, and before his eyes it started to resculpt itself.
His facial features softened, his cheeks turning fuller, his lips puffier, his jawline less pointed and more curved. In his neck a bulge vanished and it thinned slightly, his voice increasing in pitch. His torso slimmed and his arms and legs shrank, turning shorter as his muscles became more lithe and his hands and feet more petite. His shoulders shifted inwards and his hips widened, and his skin turned supple and smooth, his body hair thinning everywhere but on top of his head, where it grew outwards.
The odd sensations grew more arousing as they began to affect Josh's chest. He panted as he saw his nipples perk up and grow larger, puffier and more sensitive. Around them, breasts developed, large soft mounds of flesh emerging from a previously flat chest. His head was swimming with fantasies he'd never had before, about having this big soft new chest cupped and played with and the nipples pinched and sucked on.
Finally the changes reached Josh's crotch, and while it slowly transformed to a feminine form in his mind he let go of his masculinity. As his penis began to recede into his body and his testicles moved up inside him, he felt himself become emasculated- and then realized the new self that had been forming felt more natural anyway. She was a girl and her name was Josie Den. An intensely pleasant arousal filled her as his penis finally shrank into her tiny sensitive clitoris, and she felt his testicles reform into her ovaries, connect with her womb and move down into what had been his scrotum and was now her vaginal mound.
Josie looked at her new form in amazement, and wondered what to do next...