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.
as Genki Horiguchi
as Kenji Seki
as Hideki Horiguchi
as Yuko Ashikawa
as Eiji Mishima
as Katsuzo Yamatani
as Tomoko Ishida
as Coach Nagano
as Takashi Kazan
as Kisaburo Tanuma
as Aiko Tanuma
as Shozo Tanuma
