In Kyoto, Mayuko (Haruka Ayase) stands at a crossroad in her life. She's thinking about marriage with her boyfriend Kyoichi (Hiroyuki Hirayama). By an accidental opportunity, Mayuko stays at Honnouji Hotel. There, she meets historical figure Nobunaga Oda (Shinichi Tsutsumi) who is attempting to unify Japan.

College sweethearts Riku and Minami marry. He becomes a novelist while her singing dreams fade. After a fight, she vanishes. Suddenly, he's just an editor, and a singer named Minami Maezono exists-but he's never met her.

Botchan (Kazunari Ninomiya) has sense of strong justice and does not lie. He is offered a teaching job at a middle in a small village far away from his hometown of Tokyo. Botchan accepts the position and begins to work as a math teacher. The assistant principle there wields absolute power. Botchan has a hard time dealing with his fellow teachers and the students.