Synopsis
In this OVA, the events surrounding Gau's connection to his adoptive sister and the hidden truths of the shadow skill are revealed. Each year, the pair returns to the grave of Gau's parents, where he can demonstrate his development and prowess as a warrior. Under Elle's guidance, Gau has made significant strides in his training as a Sevalle, yet enemies seeking to eliminate them lurk, waiting for the perfect chance to launch a lethal assault. During their journey, both their familial ties and combat abilities are put to the test. Opponents appear in great numbers, and the fighting is intense, but part of Gau's training also involves facing his sister in combat and fully mastering the techniques required to overcome his ultimate adversary.
