Ai, who works at a nursery school in Tokyo, is a wonderful nursery teacher with a wonderful personality. One day, while working on a holiday, she sees a perverted man looking through the nursery school supplies. Ai tries to report him, but is attacked by the enraged man and is confined to the nursery school. Then the man's friends show up and torment her virgin body. Her fair skin is soiled with semen, sweat and love juice, and she soon becomes a perverted bitch...