Entering the kickboxing arena with arrogance, Tadashi Sawamura, a skilled karate master, faces a humiliating defeat that leaves him in a coma at the hands of a practitioner of a new martial art. Upon awakening, Sawamura's trainer, Endo, persuades him to delve into the world of kickboxing to redeem his pride. Inspired by the actual experiences of kickboxing champion Tadashi Sawamura, this series unfolds the journey of a fallen master seeking revival through a different combat discipline.