Despite the age gap, Tsukasa had been living a happy life with her kind and warm-hearted husband. However, one day she receives the tragic news of his death. To make matters worse, she soon learns of her late husband's massive debt, plunging her into new depths of despair. With no hope of repayment, she is forced to let men use her body to settle the debt. Even as she resists, the overwhelming amount of money owed looms over her mind. Gradually, her body transforms into one that can no longer survive without the penetration of a man's cock.