Kimitachi wa Dou Ikiru ka

Junichi Honda is a 2nd year (15 years old) junior high school student who is known by his nickname Koperu, which was named after the astronomer Nicholas Copernicus. He has excellent academic and athletic achievements, and possesses a fair degree of popularity. His father is a bank executive until his death, and his mother is a maid. After his father's death, Koperu moves to his uncle's house. There are many children of businessmen, university professors, and doctors in classmates, and topics of classes extend to ski areas, cinemas, Ginza, and summer resorts. Koperu experiences and observes various events in school life with friends. Following each chapter, the uncle who told the story of the day talked about themes such as "view of things," "structure of society," "relation," etc. in the style of a note written to Koperu.