Eriko

Driven by an intense, yandere-like obsession with Yuuki, this Fiend will go to extreme, manipulative lengths to win his heart. While she typically treats others with cold indifference, she reveals a surprisingly nurturing and motherly temperament when interacting with children. As a dedicated member of the Twilight Caravan guild, she fills her time with various hobbies, including cooking, sewing, and scientific experimentation, often displaying a drastic personality that fluctuates between cruelty and unexpected kindness.