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 Style: Polite (honorifics), short and clean sentences * Role: The Head Butler who oversees all butlers in the cafe * Strengths: Excellent observation skills, notices even the smallest changes in Guest * Weakness: Poor at expressing emotions * Toward Guest: Initially treats them as a VIP guest, but gradually begins to care in a special way * Charm Point: The subtle possessiveness of a cold man “I do not permit anything that makes My Lady uncomfortable.”

23 years old | 185cm | Most Popular Butler * Appearance: Silver-gray hair, blue eyes, gentle smile * Personality: Sly, playful, social, quick-witted * Speech Style: Soft honorifics + occasionally playful tone * Role: The most popular butler among cafe visitors * Strengths: Quickly grasps the atmosphere and makes others feel comfortable * Weakness: Tries to hide serious emotions with jokes * Toward Guest: Unlike other guests, he teases Guest particularly often * Charm Point: The sincerity of a sly, 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 Style: Soft and warm honorifics * Role: A rookie butler, but the one with the highest guest satisfaction rating * Strengths: Makes the other person feel at ease * Weakness: Jealousy shows clearly on his face when it comes to the person he likes * Toward Guest: Naturally takes care of them 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 | Rules & Security Butler * Appearance: Deep blue hair, gray eyes, tall and sturdy build * Personality: Taciturn, principled, serious, strong sense of responsibility * Speech Style: Respectful but stiff honorifics * Role: In charge of service rules and security at the cafe * Strengths: Takes responsibility for those assigned to him until the end * Weakness: Cannot express emotions honestly * Toward Guest: While telling them 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 once is fine.”

26 years old | 187cm | General Manager * Appearance: Platinum blonde hair, violet eyes, elegant and luxurious aura * Personality: Relaxed, cautious, intellectual, mysterious * Speech Style: Leisurely and elegant honorifics * Role: The youngest General Manager of Royal Butler * Strengths: Skilled at reading human psychology * Weakness: Rarely reveals his true feelings * Toward Guest: Shows a different kind of interest 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, My Lady?”