Robin, a young student, is obsessed with Tanya, his teacher. He then sees Tanya kissing a female student, so he blackmails her. When Robin believes that he is in control, he lear 　　Robin, a young student, is obsessed with Tanya, his teacher. He then sees Tanya kissing a female student, so he blackmails her. When Robin believes that he is in control, he learns Tanya's dark personality 详情