Kilmaria

Kilmaria stands among the uppermost ranks of the Demon King's army, wielding formidable power over fire and darkness that once made her a fearsome enemy of humankind. Everything changed after she was defeated by Maye, the protagonist's elder sister, and subsequently saved by Asahi. That pivotal encounter sparked an intense obsession with the sibling pair, driving her to defy the Demon King's orders, sever ties with the army, and even disguise herself to infiltrate human settlements — all in pursuit of a rematch with Maye. Straddling the line between foe and ally, she has become an irreplaceable presence in the story.