Hideko, a young Baseball fan, determined to cheer for her favourite baseball team by creating a new song for them.
Hideko Takashima
Yuriko, Hideko's sister
Ichiro Takashima, Hideko's father
Tomoko, Hideko's mother
Hideko's grandmother
Jiro Takashima, Ichiro's brother
Yoshie, Jiro's wife
Yukiko, Jiro's daughter
Singing teacher
Mr. Hitomaru, the pitcher of the Atlas
Mr. Sokotani
Manager
Kane, the maid
Announcer
Masa, Hideko's friend
Teru, Hideko's friend