69: Itsuwari no Bishou Episode 1

Aoi Midori, an outstanding student with a reserved personality and a charming smile, faces a sudden drop in her grades due to an error in the recent exam results. Despite her efforts to maintain her image, she becomes desperate in the situation. Aoi devises a plan to fix the problem, but her teacher, Izumi Kuwabara, who is rumored to be a bitch, stands in her way. Midori tries to blackmail her with a sex tape of her fiancé, but Izumi does not fall for his provocations and rapes Midori.