The wife sells herself to the underworld to pay off her husband's debt

The peaceful life of husband and wife Aoi suddenly gets disrupted. Because of a long-time acquaintance, Aoi's husband borrowed a large sum of money without a due date from Oki. Suddenly today, Oki demands that Aoi's husband repay the money next month. The amount is so large that it drives Aoi's husband to despair, spending the whole day drinking. Wanting to help her husband, Aoi secretly goes to Oki to negotiate a debt reduction. Oki agrees under the condition.

.. she becomes his woman for the weekend. Hoping to return to the happy days of the past, Aoi agrees. And from that day on, every weekend, Aoi goes to Oki's place to be his woman, to have sex with him, to do whatever he wants...