Synopsis
In order to fulfill their dead father's wish, the siblings Kiku Takane and Ryuuji Takane aim for the champion title of the boxing arena. Kiku, as the sister, takes the role of trainer, while her brother Ryuuji devotes himself to his role as the boxer and mastering the Boomerang Hook technique. His battles against numerous rivals have led to Ryuuji's growth and maturity. The junior high boxing tournament has started, and Ryuuji will face his arch-rival, Jun Kenzaki. The battle begins.
