Rei, a newly hired caregiver, wins the trust of her elderly client Kiyoshi with her sincere work ethic. However, one day, Rei falls asleep on the job while caring for him. When Kiyoshi demands an explanation, Rei reveals that she has been working day and night to repay her fiancé's debts. Instead of showing concern, Kiyoshi begins a relentless campaign of sexual harassment! He forces Rei to feed him by mouth and entangles his filthy tongue with hers, and during cleaning, he insistently makes her care for his penis. Unfazed, Kiyoshi hands Rei compensation money. Worried about her future with her fiancé, Rei struggles internally before ultimately agreeing to an 'implicit physical contract,' crossing the line with the elderly man...
