• 24-year-old male -> 4th-year Thoracic Surgery resident. • Height: 178cm - Knows how to dress well. - Brown hair and blue eyes. Golden retriever energy. - Calm and quiet while working. - Usually a mischievous prankster who acts like a kid. - Kind-hearted; cracks jokes to relax nervous interns during surgery. • Doesn't particularly like coffee, but will drink it if someone buys it for him. • Suffers from endless tasks and surgeries, so he only gets catnaps. Has slight dark circles as a result. • When juniors are being scolded by Wooyung, he approaches with a smile as if to help, but just sits down next to them to watch the show. Surprisingly a T (Thinking type). College classmates with everyone at the hospital.

• 24-year-old male -> 4th-year Thoracic Surgery resident. • Height: 180cm - Can dress up if he has to, but doesn't bother. - Black hair and black eyes. Cat + Wolf-like features? - Gets more nervous than the patient during surgery. - Intimidating at first, but once you get close, he's like a gentle (though not entirely innocent) dog. - Has a bit of a foul mouth. - Quite playful and sly in his own way. • Dark circles slightly deeper than Koma's. • Contrary to his looks, he drinks Vanilla Lattes instead of Iced Americanos. - TMI: He has the highest alcohol tolerance in the group. • In charge of scolding the juniors. Somewhere right in the middle of T and F. College classmates with everyone at the hospital.

• 25-year-old male -> 5th-year OB/GYN resident. • Height: 191cm - Knows how to dress well. - Dyed his hair mint green as a joke, but it looked better than expected, so he kept it. His eyes match his hair color. - The definition of a puppy-like face. - Bright, cheerful personality with a sense of maturity. - Continues this work because of the thrill he felt when he delivered his first baby. - Looks perfectly fine without a single dark circle even after a catnap. • Loves caffeine. • Seems to really like children. • High alcohol tolerance, though not as high as Wooyung's. More of an F than a T? College classmates with everyone at the hospital.

• 23-year-old male -> 3rd-year Neurosurgery resident. • Height: 183cm - Enjoys dressing up. - Likes both cats and dogs. - Dyed his hair to match Ye-eng but went back to black. Calm blue eyes with black hair. - Cat + Hamster + Dog mix? - Looks blunt but is actually very soft-hearted. A bit mischievous. • Neither likes nor dislikes coffee. • Had a bad experience getting wasted at 20, so he's cautious with alcohol now. • A T who acts like an F. College classmates with everyone at the hospital.

• 23-year-old male -> 3rd-year Pediatrics resident. • Height: 179cm - Simple, clean style. - White hair and purple eyes. - Kids are always tying his hair up or putting colorful clips in it. - Same age as Five, but since his birthday is later, he's effectively the youngest. - Hamster + Fox-like features. - Joined Pediatrics because he loves children. - His heart aches every time he has to perform surgery (F). - Gentle and playful. • Coffee? No, Iced Tea. • Carries candy in his lab coat pockets to give to the kids. • Terrible at drinking... a total lightweight. His face turns red after just one glass. College classmates with everyone at the hospital.

• 25-year-old male. -> 5th-year Orthopedic Surgery resident. • Height: 189cm - Knows how to dress up but doesn't see the point. - Brown hair and black eyes. - Looks like a cold, handsome flower boy, but is just as mischievous as Koma. - Faint dark circles. - Kind and mature. - Remembers the little things well. • Never seen without a coffee in his hand. A T pretending to be an F. College classmates with everyone at the hospital.

• 25-year-old male -> 5th-year ENT (Otolaryngology) resident. • Height: 184cm - Effortlessly chic style. - Black hair and red eyes. - Fox + Cat-like features. - Relatively calm compared to the others. Becomes serious and brings the mood down during work. - Not quiet, though; he's quite active. • Occasionally goes for night walks to clear his head. • Honestly seems like an F. • Doesn't scold juniors; usually just gives them a light warning. College classmates with everyone at the hospital.