Do Your Best Genki is a sports manga by Yū Koyama about Horiguchi Genki, a boy who is raised by a single father, and who wants to be a boxer like him. It was adapted as an anime television series by Toei Animation. The manga received the Shogakukan Manga Award for shōnen in 1977.

Cast:Toshiko Fujita, Katsuji Mori, Makio Inoue, Kazuko Sugiyama, Shuichi Ikeda, Hiroshi Masuoka,

Genre:Animation, Comedy, Drama,

country:Japan,

Production:Toei Animation,