BuIIìes Are Unaware That The Gìrl They BuIIy Is The Most Deàdly KìIIer

Kasai Mai is a high school student and teenager who changes schools and has a whole new set of class-mates. Odagiri Shino attends the new school and has a history of bullying, torment and violence at the hands of Mai's friends during her junior high school days.