19歳になった主人公・宮沢熹一が、鬼龍との死闘により重体の身となった父・静虎の復活、自身の精進のため新道組のヤクザ・新道力丸と手を組む。静虎の回復を機に、闘いの場を闇試合から表の世界の『ハイパーバトル』へと移し世界の頂点を目指す。その後明らかとなった熹一の出生の秘密に迫り、それに絡んで幽玄真影流との争いも描かれていく。
The protagonist, Kiichi Miyazawa, is now 19 years old. His father, Shizukatora, was seriously injured after a deadly battle with Kiryu, but he is resurrected. To improve himself, he teams up with Shindo Rikimaru, a yakuza from the Shindo group. With Shizukatora’s recovery as an opportunity, he moves his fighting arena from underground matches to the open world of “Hyper Battles” and aims to become the best in the world. The story then delves into the secret of Kiichi’s birth, which is revealed, and the conflict with the Yugen Shinkage-ryu school is also depicted.