Ran Tachibana was building her career as a professional boxer. After successfully rescuing her younger sister Yuzu from Juunin, she devoted herself to training. Now, she’s steadily progressing towards her future, to the point where people recognize her on the streets. One day, she receives news that Naruse, a comrade who helped save Yuzu, has been murdered by an unknown assailant. She also learns that she herself has been named as a prime suspect. To overcome this situation and reveal the truth, Ran gathers her old companions. A mysterious organization that doesn’t hesitate to kill, bizarre phenomena, and violent incidents unfold. Who could be the culprit? The ultimate female battle action with fists flying!