Three women turn their first shift into an all-night after-hours hookup. Imaru drinks too much, admits alcohol makes her horny, and heads straight to a hotel. Mayu offers excessive service at work and eagerly accepts an invitation from a fellow sex lover. F-cup porn actress Himari, excited after being warned for going too far on her first day, takes her favorite customer directly to a hotel. All three ignore the clock and indulge in raw sex until morning.