Ryôsuke Tajima
Ryosuke, Minami, and Shoko, who grew up as childhood friends, are a good friend of three who live together even after graduating from high school. One day, Minami, who was originally Obasan's face, went to study abroad when Ryosuke confessed to Shoko. However, Minami, who suddenly disappeared, returned to the front of them two years later. However, the appearance of Minami who reunited was a beautiful gal like another person by plastic surgery. Furthermore, the south that came back is actually a ghost ...
Saori, a school girl, is molested on the notorious "molester train" of the Hanagawa line and rescued by another school girl who witnesses the act. The girl who rescues her turned out to be a new student of the same high school Saori attends. The mysterious new student Yuriko is rumoured to be a "parent killer". Yuriko then leads Saori and her friends to hunt molesters.