A documentary-style record of paid encounters with Rei, a tall high school girl from the volleyball club, and her shy, timid demeanor. During her first experience, Rei was visibly nervous, her expression stiff, as if truly facing a new situation for the first time. After several more encounters, surprisingly, Rei gradually began to open up and trust me. Then, an unexpected request came from her—she wanted me to film her having sex with her boyfriend, who was the same age as her. This story dives deep into Rei's emotions and inner world during that time.