Reiko (Sawamura Reiko) was a strict teacher feared by her students, but on the other hand, she secretly had relationships with her pupils. By day, she was a teacher, and by night, a lecherous woman. Reiko skillfully used her two faces to enrich both her work and private life. However, recently, her pupils had begun seeking Reiko's body within the school, unable to wait until after school. Right there in the school's blind spot where other students could be nearby, the pupil's penis was thrust into Reiko's body. If she made a sound, she would be discovered. Reiko desperately held back her voice, but her pupil's thrusts only increased in intensity...