Mitsu, who works as a photographer's assistant, calls her photographer 'sensei.' One day, they decided to stay overnight in a remote location for a shoot at an abandoned school. Mitsu had never thought of sensei as a man and she already has a boyfriend. However, at night in the abandoned school, Mitsu became scared and couldn't sleep alone, so she asked sensei to sleep with her. In a cramped tent, nothing can happen between an adult man and woman. Due to the suspension bridge effect, Mitsu fell and boldly allowed him to finish inside her…
