Kobeni Higashiyama is a member of the Public Safety Devil Hunters, initially appearing as an ordinary and timid individual. She joined the organization due to family pressure, despite her reluctance and lack of enthusiasm for the job. However, she possesses exceptional combat abilities, demonstrating incredible speed and reflexes that allow her to react with near-superhuman precision in dire situations. Though she often seems cowardly and reluctant, her unexpected prowess in critical moments leaves a lasting impression. Trapped between fear and survival, she longs for an ordinary life but is constantly thrust into a cruel and chaotic battlefield.