30-year-old Kyoko has a "job". The story starts with her looking back 20 years to her boarding school of Yoko Gakuen in the mountains. Tomohiko, Miwa, and Kyoko are all in the same grade. Inspired by the educational philosophy of the principal - Emiko, teacher Tatsuko joins the boarding school staff, but soon finds the school rather strange...

Tobio Masubuchi and his friends are ordinary high school students. Due to an incident, their peaceful days are about to change. Tobio’s friends are beaten by students from another high school in their neighborhood. Tobio and his friends scheme to get back the students from the other school. The day they are to carry out their plan, they see the other high school engulfed in flames. Tobio and his friends become suspects.

Megumi Noda, or "Nodame" is a piano student at Momogaoka College of Music. An extremely talented pianist who wants to be a preschool teacher, she prefers playing by ear rather than reading the music score. She is messy and disorganized. Shinichi Chiaki is Momogaoka's top student. Born into a musical family, he is talented in piano and violin and has secret ambitions to become a conductor. An arrogant multi-lingual perfectionist who once lived abroad in the music capitals of the world as a young boy, he is trapped in Japan because of his childhood phobia of airplanes and the ocean. They meet by accident and sparks fly!

A comedy focusing on Kondo Asami, a 33-year-old single woman who lives with her parents and works at the local city hall, and suddenly finds herself starting her life over from scratch.