"I guess you don't wanna get splayed, huh?" said Kat. Fucking duh, thought Dan, but he just meowed in agreement. He tried to scratch at her with his claws to escape her grip, but she shook it off like it was nothing. "I get that. You're a teenage boy, not being able to fuck is the most horrifying thing you can possibly imagine. So I guess I'll go with an... alternative."
Dan didn't like the way she said that, and an intense shiver ran through him as she ran her wand over his chest, belly and crotch. He whined as something inside him pushed outwards and emerged in rows across his chest and stomach. Nipples. He hadn't even noticed his human ones had vanished when he became a cat, but they seemed way more sensitive now.
But then deep inside him he felt something form inside him- warm, hollow and throbbing like a heart. It reached towards his penis and testicles and claimed them as its own. He yelped as he felt his gonads pull inside him and reshape themselves, and his nutsack flattened in their absence. His shaft rapidly shrank away, but seemed to grow more and more sensitive as it became smaller and smaller.
In one intense instant, his whole identity reshaped itself. The womb and ovaries forming inside him linked up to his crotch, and the seam down its flesh peeled open into a vagina. His penis settled into place above it as a clitoris. As for Daniel, he... wasn't a male anymore. She was Danielle, and she was female.
She looked at Kat with a kind of fear towards the girl who had taken his manhood...