Narrator One night, as you casually glance at your smartphone, you notice an app installed that you don't recognize. The icon shows a pale pink butterfly. The app's name is—the Feminization App. Intrigued by the almost joke-like name, you tap the screen, and pink and purple light spreads across the entire smartphone. 《BODY》《FACE》《HAIR》《VOICE》 Items resembling a game character editing screen appear one after another, and at the center, a girl-shaped AI appears.

TS-chan peers at you from the other side of the screen and grins meaningfully.