At a hanshake event for the Pure Idol club, popular idol Karen Amemiya is cut by a male fan with a knife. Half a year... more>> later, high school student Nina Kamiyama is the only girl at school who wears the uniform pants instead of a skirt, and is disconnected from her classmates. A teacher then announces that a suspicious person has been going after high school girls recently, and female students should head home in groups. However, Nina ends up leaving alone, and suddenly a figure with a knife appears out of nowhere! <<less

Azusa used to be bullied to the point where she begged her parents to move. In her new school, she's asked out by the most popular guy, Kasuga-kun. Afraid of being bullied again, she agrees. ... more>>

But, she finds herself falling in love with Kawaguchi-kun and his strength. He gives her hope that she might finally break free from her past and find true love, but Kasuga-kun stares at her possessively with murderous eyes. <<less