The central subject and protagonist of the mockumentary, portraying professional boxer Jôichirô Tatsuyoshi. The film chronicles his intense struggle with retinal detachment, which legally suspended his boxing career in Japan, and his arduous psychological and physical journey toward recovery. It culminates in his highly anticipated and grueling WBC Bantamweight title unification match against Yasuei Yakushiji in 1994, highlighting his resilience, mental fortitude, and the crucial support from his family, friends, and gym associates.