Joutarou Aragaki, an ex-national gymnastics team member, dedicated his entire existence to the sport, battling against physical decline and the passing of time. Nonetheless, one day his coach informed him that he should begin considering his future career. Joutarou found this to be a challenging task, but he had the unwavering support of his daughter, Rei. Little did they know, a chance meeting was about to dramatically alter the Aragaki family's lives.