Newly graduate Yamaguchi Kumiko an idealistic teacher who entered Shirokin High to be a math teacher. Having high hopes for her students, her world turned up side down when she finds out that she'll be teaching the class 3-D the hardest class to take care of. Class 3-D is a bunch of students who looks more like delinquents and trouble makers. The students show no respect to teachers nor a little kindness. Each and every student doesn't like teacher for almost everyone has no good memories of them. The leader of the class is Sawada Shin. He is well respected for there are rumors that he beat a teacher to death. The students try there hardest to bully and make fun of her so she'll quit but all there efforts went to waste because Yamaguchi ain't an ordinary Teacher. Yamaguchi Kumiko is actually the 4th generation heir to Oedo group, a yakuza clan. Even though everyone in there clan wants her to the next leader, she made up her mind and so everyone accepted it.
as Kumiko Yamaguchi
as Goro Sawatari
as Ren Kazama
as Yamato Ogata
as Hiro Wakamatsu
as Rikiya Ichimura
as Shunsuke Kamiya
as Tetsu Asakura
as Ryuichiro Kuroda
as Minoru Tatsukawa
as Hiroshi Ryogoku
as Seiga Baba
as Kengo Honjo
as Satoru Kuraki
as Murayama Jutta
as Kosuke Ohira
as Goki Hamaguchi
as Ryuya Yoshida
as Atsumi Ishibashi
as Yuya Okuma
as Kimito Takahashi
as Masei Tanaka
as Kyousuke Terauchi
as Akihiro Gen
as Hiroshi Matsutaka
as Tomoya Wakatsuki
as Aoi Takano
as Hosaku Yajima
as Ryoko Akagi
as Sakura Ayukawa
as Seiichi Natsume
as Teruo Kumai
as Ami Kumai
as Ren Kazama (young)
as Shin Takayama
