A high school girl is bound and disciplined in a warehouse; her seemingly gentle neighbor is actually a perverted rapist; a beautiful girl is imprisoned and abused; Iori Hinano GAJK-031

Hinano, a female student working at a beef bowl restaurant, has recently been promoted to team leader and is coming home later and later. Every time she passes her neighbor's house, the old man greets her and says he's had a good day. One day, Hinano notices the old man isn't at the door and curiously peeks inside, only to be suddenly attacked from behind and knocked unconscious. When she wakes up, she finds herself in a dark warehouse, where endless bondage, discipline, and humiliation await her...