Kenichi, a fifth-grader, moved from Tokyo to the Ina Valley to receive treatment for his asthma. At his new elementary school, he meets Sabu, the class clown; Masaru; and Karen, a girl born in Brazil.
| Actor | Role |
|---|---|
 Takahiro TamuraNot listed | Not listed |
 Fujio TokitaNot listed | Not listed |
 Ken NakamotoNot listed | Not listed |
 Tomoko SaitōNot listed | Not listed |
 Mitsue SuzukiNot listed | Not listed |
 Mitsuo HamadaNot listed | Not listed |
 Akira IshihamaNot listed | Not listed |