Rei has been married for three years. She was happy at first, but loneliness sets in when her husband is transferred away for work. One day she runs into a male friend from her student days, drinks too much over dinner, and wakes after spending the night with him at a love hotel. The affair unleashes the desire she had suppressed for so long, and she begins meeting strangers through a dating app for casual sex. Now completely hooked on sex and hungry for even greater pleasure, she volunteers to appear in porn.