Aoi Yuuki, who continues to fight against the monsters that nest in the school as Chia Sapphire, fights against the powerful monster Gurgan, which was sent out by the high-level monster Zenon, but is overwhelmed by her power and is beaten by her deathblows, and is defeated. My body is toyed with by Zenon. - Aoi manages to escape, but in order to defeat her powerful enemy, Gurgan, she gains powerful powers by transforming with it, but due to her severe side effects, she is prohibited from using it. I dabble in Destruct Baton. - Chia Sapphire uses the Destruct Baton to defeat her enemies with overwhelming power, but the curse of the Destruct Baton attacks Aoi and turns her into Dark Sapphire. - Will Aoi be able to overcome her curse and defeat Zenon!? - ? - [HAPPY END]