Six years after marriage, innocent Saki devotedly supported her husband Kousuke. Seeing her husband struggling every day to raise the funds of the company that has fallen into the red due to the effects of Corona, Saki suggests that she apply for help from her estranged landlord and father-in-law of the Kanemitsu family. Kousuke was hesitant because he hated her greedy father and left home, but the two of them reluctantly headed to his parents' house. Katsuji, the father-in-law who welcomed her, willingly agreed to financial support, but there was an evil idea behind it. "My Body Is The Collateral For Her Husband's Debt."