- Voice Actor (CV)
- Seiko Yoshida
- Role
- Supporting
- Identity
- An elite synthetic succubus crafted by the Demon Lord Zoldkia, once serving as his most trusted lieutenant, later bound as a familiar servant to Jinkou Higashishiro
Personality
Unwavering devotion to her master
Calm and composed under pressure
Humble and self-effacing demeanor
Reserved and soft-spoken nature
Zest is a synthetic succubus engineered by the demon overlord Zoldkia, wielding mastery over shadow magic and close-quarters combat to carry out her creator's will as his foremost confidante. Dispatched to the human realm to keep a watchful eye on the protagonist, she operated with cold efficiency—until Zoldkia's downfall left her without purpose or allegiance. After a period of profound uncertainty, she forged a familiar contract with Jinkou Higashishiro, finding a new reason to exist. Beneath her composed and formidable exterior lies a genuinely humble spirit and an absolute capacity for loyalty; in her role alongside Jinkou, she channels that devotion into the attentive care of his everyday life as a dedicated maid.