Yaone

As the alchemist of the youkai prince Kougaiji, this character was saved from a deadly fate by him and is now devoted to his service. She also cares for Kougaiji's sister, Lirin. Equipped with a spear, explosives, and poisons, she has engaged in dangerous acts like poisoning and gassing opponents. Her combat style often involves teaming up with Hakkai, a calm and collected fighter with a similar demeanor, showcasing a deep bond with Kougaiji.