Summary Boku Dake no Hentai Kanojo The Animation 1 Hentai Anime
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...