Aoi was walking her usual route to school when she was suddenly attacked from behind and knocked unconscious. When she woke up, she found herself in a dimly lit barn, face-to-face with the neighborhood old man she always greeted. No one came to help her, even when she cried and screamed. In her despair, she was brutally raped. But her true despair was yet to come. Imprisoned in the barn, she was subjected to daily sadistic sexual training, her mind and body becoming warped by the pervert old man. One day, after enduring this for weeks…