sako (Aya Ueto) is your typical seventeen-year-old, high school truant. She has no goals for the future and doesn’t know what direction her life is taking. Then she meets Aoki Kazuyoshi, a ten-year-old boy living nearby. Although still a precocious child, Kazuyoshi poses as a twenty-six-year-old housewife on an erotic internet chat site. Kazuyoshi invites Asako into the erotic business world, and she immediately becomes immersed in an adult world that she had no idea existed. The door is wide open for the curious Asako, who discovers things that she has never dreamed of, but is this truly the right path for her life?

Overview from themoviedb.org