The Sadistic schoolgirl plans to slave her teacher and sets a trap. Schoolgirl stands on a chair and waits for the teacher to come while decorating the school festival. When the teacher arrives as the school girl expected, she asks him to hold the chair, and she deliberately shows off her miniskirt and panties. The teacher loses the temptation and peeks into the miniskirt and panties, and the school girl records the situation with a smartphone camera. The school girl, who was an honor student, suddenly changes when she has something on teacher, and she threatens him into a human toy. She then slowly trains him into the ideal masochistic slave.