In the year 2002, the formerly powerful Japanese men's gymnastics team member Jotaro Aragaki is no longer able to compete. Even though he trained strenuously daily, he is asked about retiring by his coach Amakusa. However, a certain encounter alters Aragaki's fate.

Daisuke Namikawaas Jotaro Aragaki (voice)
Rina Honnizumias Rei Aragaki (voice)
Kensho Onoas Leonardo (voice)
Kenyu Horiuchias Noriyuki Amakusa (voice)
Yuki Kajias Tetsuo Minamino (voice)
Atsuko Tanakaas Mari Aragaki (voice)
Kappei Yamaguchias Bigbird Aragaki (voice)
Takayuki Miyamotoas Reporter (voice)
Hitoshi Kubotaas Narration (voice)
Hironori Saitohas Homeless A (voice)
Kiyoko Yoshimura
Masaru Yokoyama