Erisa's husband had been struggling for months after his company went bankrupt and couldn't find a new job. While Erisa was managing to make ends meet, her husband, desperate to repay a payday loan he'd impulsively taken out, decided to ask their mutual friend, Shintou, for help. However, Shintou's condition for lending him the money was a rather unsettling one: "If you put up your wife as collateral, I'll consider it..."
