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Elle starts an investment out of curiosity without telling her husband, but it fails, and she ends up with 10 million yen of debt. She can't tell her husband, so she turns to her husband's father for advice... Her father-in-law offers to pay off her debt, and she's happy for a moment, but her father-in-law demands her body in return. With her weakness exposed, Elle offers her body to her father-in-law.