Living a quiet, ordinary life with her husband after marrying through an arranged match, Yuuri's world is disrupted when Murakami, her former boss and matchmaker, suddenly reappears. Revealing his current circumstances, he pleads for help repaying his debts. Driven by sympathy, Yuuri reluctantly begins draining her savings to assist him, clinging to his promise of repayment. As time passes with no resolution, the two unexpectedly meet again. Murakami forcefully rekindles their connection, igniting a forbidden affair that propels the story into uncharted territory.