A wife, Yuna, who lost her beloved husband, was left with only a large amount of debt. She has no acquaintances to rely on Yuna, and the only person she has is her ex-husband's relatives. Her husband's brother-in-law, Yokoyama, offered to repay the debt, but demanded a physical relationship as an exchange condition. Attracted by her ephemeral and bewitching appearance of her widow, her male relatives attack Yuna...!
