After facing an unjust sentence, former boxer Jinichi Hirooka moved to the United States. Forty years later, he returns to Japan and meets Shogo Kuroki, a boxer disheartened by his own unfair judgment, during a chance encounter over drinks. When Jinichi knocks Shogo down in their first spar, Shogo pleads with him to teach him boxing. The two, both mentor and friend to one another, set their sights on becoming world champions, training tirelessly for the ring. Starring Ryusei Yokohama, Koichi Sato, and Masataka Kubota.