“Hidden Secrets of the All-Girls School: Unraveling Takigawa Hina’s Taboo Desires”

There’s this famous all-girls school, and one of the girls who goes there is Takigawa Hina. I’ve known her secret for half a year now. I can’t tell anyone, and nobody knows but me. She doesn’t even know that I know about it. But even I don’t know all of her secrets…