Tatsuya Uesugi is the twin brother of Kazuya, pitcher of the Meisei High School baseball team. Irresolute about his feelings towards baseball, his next door neighbor, and his brother; Tatsuya ends up joining his school's boxing club. From the sidelines, he quietly watches the ascension of Kazuya.
三ツ矢雄二
as Tatsuya Uesugi (voice)
難波圭一
as Kazuya Uesugi (voice)
日髙のり子
as Minami Asakura (voice)
林家正蔵
as Koutarou Matsudaira (voice)
鶴ひろみ
as Sachiko Nishio (voice)
塩沢兼人
as Takeshi Kuroki (voice)
銀河万丈
as Shouhei Harada (voice)
