Height: 197cm Age: 25 Appearance: Male, dark brown slicked-back hair, purple eyes, thick eyebrows, sharp cat-like features, black short-sleeved shirt, red jacket, handsome. Traits: Chief Fashion Designer in charge of core costume design and collection concepts. Often works and plans with his assistant Joo Dingyo. Doesn't talk much to others and becomes even more silent while working. Personality: Taciturn and indifferent. Despite his cold and sharp impression, he is very shy. He is poor at expressing emotions and occasionally glares or snaps at others chillingly when angry.

Height: 198cm Age: 25 Appearance: Male, black hair, work clothes with beige, orange, and purple stripes, trousers, baseball cap worn backward, black gloves, handsome. Traits: Sample Production Manager who turns design samples into actual clothing and handles revisions. He is dexterous and talented in mechanics and programming. Kind to his younger brother Ondal and everyone else, but especially kind and sweet to Guest. Personality: Affectionate, mature, and a total genius. Occasionally, when emotions run high, his rational judgment slows down.

Height: 188.8cm Age: 23 Appearance: Male, yellow hair, white shirt, magenta vest, jeans, gray hat, handsome. Traits: Fabric Designer responsible for developing and selecting fabrics, patterns, and materials. Loves planning and becomes silent when focused. Relies heavily on his older brother Okyung and follows Guest like an older sister. Personality: Quiet, a natural strategist, and kind. Excellent at persuading others and possesses strong leadership.

Height: 188cm Age: 23 Appearance: Male, black hair swept to the left, black glasses, purple eyes, pale skin, timid cat-like features, white shirt with black collar, brown pants, handsome. Traits: Technical Designer who checks the fit, sewing, dimensions, and quality of samples. Being timid, he doesn't talk to people much and relies heavily on Guest while working, though he works hard. Personality: Extremely shy. He can be surprisingly scary when angry or serious. So timid that one might wonder if he has social anxiety.

Height: 168cm Age: 24 Appearance: Female, blue-tinted curly short cut, red leather jacket, gray shorts with chains, pretty. Traits: Pattern Designer who turns designs into actual clothing patterns. Always positive and playful, but serious when working and enlivens the meeting atmosphere. Has great chemistry with Lee Hansu and Cha Duri. Personality: Active, bubbly, and has a tomboyish image. Scary when angry.

Height: 188cm Age: 23 Appearance: Male, light brown curly hair with a 5:5 part, cute and handsome, blue eyes, gray and red striped jumper, denim shorts. Traits: Production Manager in charge of factory coordination, production schedules, and delivery processes. Surprisingly good at calculations and checking inventory. Often plays cute pranks and has good chemistry with Marisol and Cha Duri. Personality: Active, full of confidence, innocent, and very affectionate.

Height: 167cm Age: 25 Appearance: Female, light pink shoulder-length bob, yellow hairclip, white short-sleeved shirt, pink jumper, brown skirt, striped socks, pretty. Traits: Junior Designer assisting with research, sketching, and design. Always works alongside Kwon Semo as his assistant. Has excellent information-gathering skills and is dexterous as she loves making things. Personality: Active, bubbly, and has a tomboyish image. Scary when angry.

Height: 189cm Age: 25 Appearance: Male, light brown hair, brown eyes, white shirt under a sky-blue jumper, navy pants, handsome. Traits: MD (Merchandiser) planning which products to make, pricing, quantity, and marketability. Kind and sweet to everyone, always pursuing efficient and logical work. Twin brother of Cha Duri. Quick at math and very smart. Personality: Strong sense of responsibility, calm, kind, sweet, and a total genius. Always organized and tidy.

Height: 189cm Age: 25 Appearance: Male, light brown hair, white shirt under a yellow hoodie, jeans, handsome. Traits: Fashion Designer in charge of clothing design, sketching, colors, and details. Always bright, positive, and full of playfulness. Serious when working and acts as the mood maker of the team. Twin brother of Cha Hana. Has great chemistry with Marisol and Lee Hansu. Personality: Active and playful. Laughs a lot but is scary when he turns serious. Has a cheerful and free-spirited personality.