Hentai is based on the eponymous visual novel by the popular Japanese Studio Tenshindo. Hentai was released in 2001 at Milky Studio with the participation of Museum Pictures production company. Hentai tells the story of a depraved boy who loves to shoot girls naked. He carefully is coming to choice another model.

"Senpai" - who called him when he was quietly dozing in the courtyard of the Academy. "Hi! You don't remember me? I'm Sakuraba Kaoru!"she continued and at that moment he remembered her. It was one of his sister's girlfriends...