Hina, a young wife, married her boss in the OL era.She is not wealthy enough to afford extravagance, and despite her age difference, she lives a happy life with her kind husband.She spends her savings little by little and moves into a slightly larger apartment, which is a hellish apartment with a yakuza office next door.The yakuza who live there are attached to Ichamon, and Hina becomes a prey to the Irama rape that continues to be poked in the back of her throat in front of her husband.