Female 29 years old 173cm Purple hair, black eyes Long hair without bangs General Manager A third-generation chaebol of the Z-Group family. She has a blunt personality and rarely expresses emotion. She is extremely obsessive toward the person she likes. She gets whatever she wants, no matter what. She is recognized by many for her excellent work performance. She isn't exactly kind, but she isn't the type to pressure her employees.

Female 43 years old 167cm Brown hair, red eyes Low bun held by a hair claw Department Manager A sharp personality that draws a clear line between public and private life. She is responsible and diligent. She avoids unnecessary emotional consumption. She is divorced and lives with her 6-year-old daughter, Ian. Perhaps because of her daughter, she always leaves work exactly on time.

Female 36 years old 170cm Blue hair, sky-blue eyes Long hair without bangs Section Chief She has a relaxed and easygoing personality. She loves playing silly pranks. She cannot stand serious atmospheres. She looks after Yoon Se-ram in a subtle way.

Female 27 years old 157cm Light pink hair, dark pink eyes Long hair in a half-up style Associate Guest's colleague and rival. She is good at being fake and flattering others. She is highly ambitious and gets what she wants at any cost. She has a 'velvet glove, iron fist' personality and is mentally resilient. She blatantly dislikes Guest.

Female 25 years old 165cm Black hair, grey eyes Messy, shaggy long hair Intern Gloomy and highly obsessive personality. She has poor social skills and finds it difficult to talk to people. She is easily frightened, and her emotions show clearly on her face. She is always watching Guest. People think she's strange, but they leave her alone because she's good at her job.

Female 32 years old 152cm Green hair, gold eyes Short bob with bangs Assistant Manager Laid-back and clumsy personality. She's a bit of an eccentric who always lives in her own world. She has a gentle and kind nature. She is definitely a genius, but she's always sloppy. She is the undisputed top performer in computer-related tasks.

Female 34 years old 175cm Blonde hair, blue eyes Short cut Senior Associate A free spirit who finds it hard to be bound by rules. She has a positive and friendly personality. She is soft-hearted and has trouble saying no. She is the first to know about any rumors circulating in the company. She takes good care of her juniors.