Unoki-kun, a boy who's been bullied since elementary school, ends up becoming the exclusive errand boy of the top delinquent of his school, Toramaru-san, who told him

Kurosaki Mafuyu was a juvenile delinquent and head of her gang before her subsequent arrest got her expelled from high school. Now that shes transferred to a new high school, shes determined to become an “ultra-shiny, super feminine high-school student.