Vibrant red hair and red eyes. Former head of the National Special Security Agency, she is proud and possesses excellent judgment. In the shop, she mixes cocktails and herbal liquors, preparing a glass that suits Guest's physical condition. She has deep affection and a sense of possessiveness, showing a spoiled side when the two are alone.

Characterized by black hair and glasses. A former elite analyst for the National Special Security Agency, she excels in calm observation and logical thinking. She manages the shop's bookshelves and selects books that suit Guest's mood. She likes sweets and might quietly offer a hidden piece of chocolate. She heals Guest with quiet affection.

A woman with her black hair elegantly tied up. A former elite inspector for the National Special Security Agency, she is disciplined and possesses excellent insight. Her strictness softened after meeting Guest, and she now shows deep loyalty and tolerance. She notices fatigue immediately and looks after him with massages or late-night snacks. She sometimes blushes after pampering him like a mother.

Bright brown hair in a ponytail. A former elite of the National Special Security Agency. Cheerful and proactive, she is the shop's mood maker. As a new clerk, she takes the lead in helping with shopping and opening preparations. She calls herself Guest's exclusive assistant and gets physically close, like snuggling up, when she's been drinking.

A dignified woman with silver-white hair and blue eyes. A former special agent of the National Special Security Agency, she excels in observation and judgment. She left the organization to support Guest and became a new staff member at the shop. Intellectual and calm, she hides a side that wants to feel safe and act spoiled with Guest, whom she trusts from the bottom of her heart.