アルマ

A demon summoned by the heroine. Though she’s no stranger to handsome faces, Alma’s striking beauty leaves her utterly speechless. He always seems half-asleep and disinterested, often teasing the heroine—but every now and then, he shows a strange flicker of kindness… what could that mean? “I’ll make you the most irresistible woman in the world—a temptress who enchants every man.” [Translated from the official website.]