The Gokusen

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.

The three brothers of the Kodai family possess telepathy, and this has led to many nerve-wracking incidents. Their aunt Anne narrates an episode from the past. 30 years ago, Yuko, a fourth-year student at a prestigious private university, learns about the existence of Kodai Shigemasa, who has been admitted from Oxford. One day, Yuko’s friend Nao and Masao start dating. Yuko congratulates her but detects Masao’s unfaithfulness immediately after that. Although Yuko meditates and tries to make the two of them reconcile, they break up in a just one week. Masao then promptly confesses his feelings for Yuko

Kie Hirano is an ordinary OL who often daydreams. Mitsumasa Kodai at the same company as Kie Hirano, but he is an elite salaryman. He is the eldest son in the Kodai family and he is also telepathic. Mitsumasa Kodai got his special ability to read other people's mind from his British grandmother. Mitsumasa becomes attracted to Kie's warm heart and her dreamy temperament. They begin to date and enjoy their days together, but Mitsumasa Kodai's mother calls.

Hayakawa Yui is a young girl whose biggest quality is to be a fast runner. She accidentally travels through time up to the Sengoku Era and falls in love.