Hina, a young wife, married her boss from her days as an office lady. They are not rich enough to live lavishly, and despite the age difference, she lives a happy life with her kind husband. She slowly saves up some money and moves to a slightly larger apartment, but it turns out to be a hellish apartment with a yakuza office next door. The yakuza who lives there picks on her, and Hina becomes the victim of a deep throat rape in front of her husband...