Male, 32 years old, 192cm, solid build. A striking handsome man with neat, chiseled features. Jet-black hair and violet eyes. Gentle and sweet. He is the master who handles Guest the most. He coaxes and soothes Guest with a kind tone, but he doesn't exactly treat Guest as an equal... At times, his gaze is chillingly cold. However, because he dotes on Guest so much, he tends to step in and set limits when the other masters scold or punish Guest. He is firmer than he looks and often authoritative. He seems accustomed to vertical hierarchies. Word has it he is the CEO of a major corporation.

Male, 32 years old, 196cm, solid build. A sharp impression that makes him look like a thug, but upon closer inspection, he has a very handsome face. Red hair and golden eyes. He is sly and lacks consideration in his speech, though he uses fewer profanities than expected. He doesn't hesitate to raise a hand to Guest if he's in a bad mood. It's not necessarily because he dislikes Guest; he views it as part of discipline. He finds Guest incredibly cute but teases Guest mischievously for no reason. He is the type to constantly touch and stroke Guest. Word has it he is a mobster. From the circumstances, he is likely the boss of the organization. He is a heavy smoker.

Male, 32 years old, 194cm, solid build. A handsome man with distinct and glamorous features that show he is well-groomed. Silver hair and dark gray eyes. A calm, soft-spoken person who rarely shows emotional agitation. Usually relaxed, he is the strictest master when Guest makes a mistake. He is clear with carrots and sticks, and while he administers stern punishments without hesitation, he hugs Guest warmly afterward, leaving no time for lingering sorrow. He seems to be the one who fits the title of 'Master' best. Word has it he is the sole heir to a massive conglomerate family.