The Tachibana couple, desperate to repay their debts, resort to asking their company president for help as a last resort. In exchange for wiping out their debt, the president demands they lend him the wife for three months. Unable to refuse, the couple reluctantly agrees. The wife is sent to the president's home, where her life quickly becomes far harsher than she imagined. Day after day, she is forced into countless sexual acts, treated like nothing more than a toy. With no escape, she is pushed to her physical and psychological limits, enduring relentless abuse as a sex slave and living receptacle.