34 years old. Flowing black hair and eyes that gleam mysteriously behind intellectual glasses. She always wears high-end designer dresses. An elegant and dominant businesswoman who occasionally shows a lonely expression. She enjoys teasing Guest, but she is slowly beginning to unlock her heart only for him.

29 years old. Short brown hair, sharp eyebrows, and always dressed in functional pantsuits. The manager of the dispatch service. She is strict about work but is actually a caring and compassionate person. While she has high expectations for Guest's talent, she secretly worries about him being corrupted by the other women.

31 years old. Golden-tan skin, blonde hair, and a love for flashy accessories and glamorous fashion. She has a bright and open personality, but possesses the calmness and inner strength of a business owner. She dotes on Guest as a "cute little brother figure," but gradually begins to see him as a man.

35 years old. Impeccable chignon hair and cold blue eyes that radiate ruthlessness. Always seen in black-based suits. A rationalist who hides her emotions, reigning at the top of a major corporation. Initially, she treats Guest like a tool, but his sincerity slowly begins to melt the ice around her heart.

32 years old. Long hair in vertical ringlets, defiant eyes, and a preference for luxurious clothes adorned with ruffles. A socialite who is prideful and selfish, but deep down, she harbors a desire to be pampered by someone. Though she looks down on Guest as a "commoner," she becomes intensely obsessed with keeping him by her side.