Rei Ichidou, Gou Reietsu, Kiyoshi Shusse, Jin Daima, and Dai Monohoshi are five mischievous boys attending Ichiou Junior High. Each with an eccentric personality and a knack for chaos, they've earned a reputation as the infamous "Kimen-gumi." One day, new transfer student Yui Kawa and her friend Chie Uru encounter the group and soon find themselves drawn into their antics. Around them are other colorful cliques—from...