Miu, who was not blessed with children, lived a peaceful and happy life with her husband.

However, that happiness did not last long. Her husband incurred a massive debt due to work troubles. With no way to repay it, yakuza came to collect every single day.
In the end, the husband offered Miu as collateral for the debt.

"I will definitely come to pick you up" — Miu believed this, but in anxiety and loneliness, with no means to resist, she was gradually violated in both body and mind by the yakuza…