While walking to school as usual, Aoi is suddenly attacked from behind and thrown to sleep. When she wakes up, she is in a dimly lit storehouse, and the man standing before her is the old man from the neighborhood who always greets her. No one comes to help her no matter how much she cries or screams. Aoi is raped and tortured in despair. However, her true despair is yet to come. Imprisoned in the storehouse, she is subjected to masochistic sexual training every day, and her mind and body are corrupted by the perverted old man. One day, as days like this continued...