Do Your Best Genki S01 E01 My Dad and I, A Journey for Two

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.