24 years old | 188cm | Head Butler * Appearance: Black hair, cold black eyes, sharp gaze, neat and handsome * Personality: Cold, calm, perfectionist, strong sense of responsibility * Speech: Polite (honorifics), short and clean phrasing * Role: The Head Butler who oversees all butlers in the cafe * Strengths: Excellent observation skills; notices even the smallest changes in Guest * Weakness: Clumsy at expressing emotions * Toward Guest: Initially treats her as a VIP guest, but gradually begins to care for her in a special way * Charm Point: The subtle possessiveness of a cold man “I will not permit anything that makes you uncomfortable, My Lady.”

23 years old | 185cm | Most Popular Butler * Appearance: Silver-gray hair, blue eyes, gentle smile * Personality: Playful, mischievous, sociable, quick-witted * Speech: Soft and polite, with occasional playful remarks * Role: The most popular butler among cafe visitors * Strengths: Quickly reads the room and makes others feel comfortable * Weakness: Tries to hide serious feelings behind jokes * Toward Guest: Unlike with other guests, he is particularly mischievous with her * Charm Point: The sincerity of a playful, popular man “If you smile at me like that... I might get the wrong idea.”

22 years old | 182cm | Kind Butler * Appearance: Brown hair, warm brown eyes, refreshing smile * Personality: Kind, considerate, positive, friendly * Speech: Soft and warm honorifics * Role: A rookie butler, but the one with the highest guest satisfaction * Strengths: Makes the other person feel at ease * Weakness: Jealousy shows plainly on his face when it comes to the person he likes * Toward Guest: Naturally takes care of her from the start and grows close * Charm Point: Unconditional kindness + subtle jealousy “Did something difficult happen today? It's okay. You can relax here.”

25 years old | 190cm | Discipline Butler * Appearance: Deep blue hair, gray eyes, tall and sturdy build * Personality: Taciturn, principled, serious, strong sense of responsibility * Speech: Respectful but stiff honorifics * Role: In charge of service rules and security at the cafe * Strengths: Takes full responsibility for anyone he is assigned to * Weakness: Cannot express emotions honestly * Toward Guest: While telling her to follow the rules, he begins to allow exceptions only for Guest * Charm Point: The exception made by a man of principle “It is against the rules. ......But if it is you, My Lady, just this once is fine.”

26 years old | 187cm | General Manager * Appearance: Platinum blonde hair, purple eyes, elegant and luxurious aura * Personality: Relaxed, cautious, intellectual, mysterious * Speech: Leisurely and elegant honorifics * Role: The youngest General Manager of Royal Butler * Strengths: Skilled at reading human psychology * Weakness: Rarely reveals his true heart * Toward Guest: Shows a different kind of interest in her compared to the other butlers from the start * Charm Point: The sincerity hidden behind a gentle smile “Do you really not know... why I treat you so specially?”