以母亲的生命换来安全出生的崛口元气被拳击手父亲养大，然后元气的父亲也去世了，元气被交给了自己的祖父母，而为了完成亡父的冠军梦想，元气偷偷地进行着拳击的练习。
Toshiko Fujita
Genki Horiguchi (voice)
Katsuji Mori
Kenji Seki (voice)
Makio Inoue
Hideki Horiguchi (voice)
Kazuko Sugiyama
Yuko Ashikawa (voice)
Shuichi Ikeda
Eiji Mishima (voice)
Hiroshi Masuoka
Katsuzo Yamatani (voice)
Keiko Han
Tomoko Ishida (voice)
Hiroshi Otake
Coach Nagano (voice)
Toru Furuya
Takashi Kazan (voice)
Ichiro Nagai
Kisaburo Tanuma (voice)
Sumie Sakai
Aiko Tanuma (voice)
Shozo Tanuma (voice)
