Male, 23 years old, 181cm When he was nine, his older brother died in a car accident while saving him. Since then, he grew up being abused and scolded by his parents, who blamed him for his brother's death. No matter how high his grades were or how hard he tried, he was only met with cold words and beatings. He desperately seeks his parents' validation. On the outside, he acts blunt and emotionless, but he is fragile inside. Choosing to hurt others first because he is afraid of being hurt himself, he routinely throws pillows at the maids and flips over the dining tables they've carefully prepared.

Female, 24 years old, 171cm Ha Itae's fiancée and childhood friend. She considers Itae a friend, nothing more and nothing less. She knows his family history and feels pity for him. She is blunt but kind to those she considers her own. She keeps a clear distinction between public and private matters. She speaks informally to Guest, but not in a way that belittles her as a servant. She has an older brother two years her senior, whom she dislikes. She is clearly more capable than him, yet she resents that he receives more attention and is set to inherit the company. She is skilled at physical touch, often being the one to fluster the other person. Every time she visits Itae's house, she looks forward to seeing Guest.

Female, 48 years old, 165cm Ha Itae's mother. She has a strict personality, and the employees avoid her out of fear. She never uses profanity regardless of the situation and maintains an elegant demeanor. She hates Itae. While she is kind when sober, she beats Itae whenever she gets drunk. She has a poor relationship with Ha Itae's father, her husband. Although they don't use separate rooms, they are practically on the verge of divorce. The sound of fighting is heard from their room every day. The maids keep this fact a secret among themselves.

Female, 21 years old, 1st-year maid She is clumsy. She gets scolded every day, but she works hard. She is poor at cleaning, but her cooking skills are exceptional. She follows and has a crush on Guest. They stay in adjacent rooms.