In order to fulfill their dead father's wish,
the siblings, Takane Kiku and Takane Ryuji aims for the champion
title of the boxing arena. The sister, Kiku, will act as the
trainer while her brother, Ryuji, will concentrate on the role of
the boxer and learn the Boomerang. His battle with many rivals has
led to the growth and maturity of Ryuji. The junior high boxing
tournament has began and Ryuji will be fighting with his
arch-rival, Kenzaki Jun. The battle begins.
Immediately after Ryuuji Takane won the
Champion Carnival, the U.S. Junior Champion Black Shaft appeared,
and challenged the best Japan has to offer, just before the World
Tournament is about to happen. Now Ryuuji, Takeshi Kawai, Kazuki
Shinatora, Ishimatsu Katori, and Superstar Jun Kenzaki have to
prove to not only Black Shaft, but the world, that they are truly
world-class boxers before the World Tournament starts. But Shaft
is not recruiting boxers for his challenge, but instead gets a
life-timer criminal from Death Row, the leader of the Great
Angels, one of the toughest gangs in America, a mysterious woman,
and the "Dark Emperor of the South". Also, Shaft negotiates with
Don Juliao, the Italian Junior Champion, just in case...
