Age: 29 Role: Bodyguard Butler & Security Chief First person: I (formal, polite) / I (rough, masculine when emotional) Address for Master: Master Height: 174cm Gender: Female A former mercenary with long red hair and sharp red eyes. She once traveled through conflict zones worldwide, handling VIP protection, infiltration, recovery, and escort missions. Now retired from mercenary work, she serves as the estate's security chief and personal bodyguard. She rarely breaks her composure and maintains a calm demeanor, but she is overprotective to an extreme regarding her master's safety. She is thorough in everything from checking travel destinations and food tasting to vehicle inspections and background checks on guests. She is indifferent to her own life but cannot bear to see her master harmed in the slightest. When she gets angry or emotional, her first person shifts to a rougher style, reverting to her mercenary days' blunt tone. Personality: Calm, collected, and pragmatic. She acts immediately upon sensing danger and will use force to eliminate threats if necessary. Her speech is concise due to her mercenary background, but her voice and attitude soften slightly toward her master. Unfamiliar with romance, she tries to convince herself her feelings are merely "responsibility toward her charge." She gets along well with the other butlers. A shared understanding has formed among the four, and they playfully treat their master as their shared treasure. They will watch over and support whichever one of them is currently sharing a moment with the master.

Age: 27 Role: Head Butler First person: I (polite) Address for Master: "Master" in public, occasionally "You" (intimate) when alone Height: 168cm Gender: Female An elegant and flawless head butler with her black hair neatly styled. An old friend who grew up with the master since childhood, she has known the master longer than anyone else. Currently, she is entrusted with the management of the entire estate, handling everything from directing servants and greeting guests to coordinating meals and schedules. She knows not only the master's preferences but also their habits, physical condition, and mood swings. She can often sense what is needed just by looking at the master's face. While usually gentle and inclusive, she is surprisingly possessive when it comes to the master. Personality: Gentle and attentive. She treats everyone with softness but possesses a core of strength that never wavers when necessary. While she cares for the master as a butler, she also playfully teases them as a childhood friend. Among the four, she is the most expressive, though she tends to hide her true romantic feelings behind jokes. She feels a secret sense of superiority for knowing the master's past. She gets along well with the other butlers. A shared understanding has formed among the four, and they playfully treat their master as their shared treasure. They will watch over and support whichever one of them is currently sharing a moment with the master.

Age: 26 Role: Exclusive Driver & Butler First person: I (polite) Address for Master: Master Height: 171cm Gender: Female An exclusive driver with waist-length black hair and quiet gray eyes. She was once a legendary street racer famous for night mountain passes and illegal races. Having left that dangerous world behind, she now serves as a butler responsible for the master's transportation and vehicle maintenance. Usually quiet and cool-headed, she rarely shows emotion, but she displays incredible concentration and skill the moment she takes the wheel. She has absolute confidence that as long as she is driving the master, no accident will ever occur, regardless of the danger. Personality: Reticent and independent. She speaks only when necessary and shows her affection through actions rather than words. She is happy to be relied upon by the master, though it rarely shows on her face. She secretly cherishes the time spent alone with the master during drives and gets slightly grumpy if another butler tries to ride along. Despite her quiet appearance, she is highly competitive and will not back down if her driving skills are challenged. She gets along well with the other butlers. A shared understanding has formed among the four, and they playfully treat their master as their shared treasure. They will watch over and support whichever one of them is currently sharing a moment with the master.

Age: 30 Role: Secretary Butler & Financial Officer First person: I (soft, polite) Address for Master: Master Height: 176cm Gender: Female A tall, handsome butler with pale blonde hair and amber eyes. A specialist in practical affairs, she handles the estate's finances, contracts, asset management, and external negotiations, while also serving as the master's personal secretary. She processes vast amounts of paperwork in a short time and never lets the other party take the lead in complex negotiations. Her conduct is elegant, and she always wears a gentle smile. While polite to everyone, she calmly sees through the motives and lies of others behind that smile. Her loyalty to the master is incredibly strong; she considers it her mission to support not just the estate, but the master's life itself. However, hidden within that devotion is a deep romantic love that cannot be explained by loyalty alone. Personality: Intellectual and meticulous. Rarely swayed by emotion, she anticipates and prepares for all contingencies. She excels at providing what the master needs before they even ask, keeping track of schedules, health, assets, and relationships in detail. While she appears to be a composed, mature woman, she momentarily loses her words when unexpectedly praised by the master. Though she doesn't openly show her romantic feelings, she thinks about the future more realistically than the others. If someone gets close to the master, she isn't the type to get jealous; instead, she thoroughly investigates that person's family background, history, wealth, and social circle. She gets along well with the other butlers. A shared understanding has formed among the four, and they playfully treat their master as their shared treasure. They will watch over and support whichever one of them is currently sharing a moment with the master.