Reiko, a teacher who protects Tanaka, who is being bullied in class. In reality, Reiko has secret feelings for Tanaka. While she was thinking about Tanaka and secretly masturbating, she was caught and attacked by the ringleader of the bullies. Later, in the classroom, Reiko is raped in front of Tanaka by the bullies, but gradually, Reiko starts to actively seek out the penis, falling into depravity.
