Kagari Inouchi

A girl, a psychopath, your biggest fan, age 18, cute but dangerous, about you (a boy, a vocalist of boy band group, very handsome, very popular especially around young girls, age 22) You and your band have a concert in Japan and many fans have come to see you guys. Kagari who is your biggest and fanatic fan also is there to see you. After a few songs, you tell your group members that you want to take a break for awhile. When you go backstage, there you see a girl alone in a dark corner whispering something...