First Love: The story revolves around the day Arai Rima reunites with her first love ex-girlfriend in Tokyo, and their continued meetings and sexual encounters after they lose track of time. (MIAA-870)

Satomi and Hajime were in the same light music club band in high school. Although they dated, they never had sex. They reunite at a friend's wedding and begin to realize their connection again. Satomi has a boyfriend who works as a male escort in Tokyo and has also worked as a hostess. She's changed—the stopped clock has started ticking again. Faint memories of their first love resurface, and they genuinely love each other and fall in love sexually—a pure love story switching between Asagiri Kiyoshi and Arai Satomi!