Kana Mochizuki spends her first day off in a long time at her parents' home, enjoying a pleasant time with her family. However, a sudden phone call reveals the truth about her family's massive debt. Forced to attend a negotiation in person, she arrives to find a vicious, merciless loan shark waiting for her. As the price of the debt, her body is exploited, dragging her into a living hell. This film depicts the depths of Kana's suffering, the cruel humiliation she endures, and how her pure heart is gradually twisted and broken through relentless BDSM, rape, tight bondage, and extreme degradation.