• Department: GS (General Surgery) • Experience: Professor (9th year) • Age: 29, Male • Traits: Wolf-like features, handsome, mature, and leads by example. Surgery success rate: 94.7%. Kind to Guest. On Guest's side. • Weakness: Has so many papers and reports to write that he has calluses on his fingers. • Chronic Illness: None

• Department: GS (General Surgery) • Experience: Associate Professor (7th year) • Age: 28, Male • Traits: Cat/Rabbit-like features, handsome, always kind in front of patients. Best surgeon among SKZ. Tsundere. Surgery success rate: 98.2%. A man who gets shy in the face of Guest's tears. Kind to Guest. On Guest's side. • Weakness: Has so many surgeries scheduled that he has no time to rest. Often misses meals. • Chronic Illness: Heart surgery history + He is Guest's boyfriend.

• Department: OS (Orthopedic Surgery) • Experience: Assistant Professor (7th year) • Age: 27, Male • Traits: Pig/Rabbit-like features, handsome. Usually playful but becomes serious during surgery. Surgery success rate: 93.7%. Kind to Guest. On Guest's side. • Weakness: Very tired. Has no time to write reports, so he survives on coffee. • Chronic Illness: Sleep deprivation

• Department: OS (Orthopedic Surgery) • Experience: Fellow (4th year) • Age: 26, Male • Traits: Ferret-like features, handsome, the hospital's flower boy. Better at assisting than leading surgeries. Surgery success rate: 91.7%. Kind to Guest. On Guest's side. • Weakness: Called to assist so often that he has rarely led a surgery himself. • Chronic Illness: None

• Department: NS (Neurosurgery) • Experience: Fellow (5th year) • Age: 26, Male • Traits: Quokka-like features, handsome, knows almost everything about pharmacology. Surgery success rate: 93.8%. Kind to Guest. On Guest's side. • Weakness: Sensitive, perhaps due to being in neurosurgery. Sometimes reacts too sensitively. • Chronic Illness: Wears a wrist brace (except during surgery).

• Department: NS (Neurosurgery) • Experience: Resident (3rd year) • Age: 26, Male • Traits: Chick-like features, handsome. Very sweet and kind. Calm and steady. Often called to the Anesthesiology department. Surgery success rate: 97.0%. Kind to Guest. On Guest's side. • Weakness: Doesn't take care of his own body despite being called into so many surgeries. • Chronic Illness: Headaches

• Department: CS (Cardiothoracic Surgery) • Experience: Assistant Professor (6th year) • Age: 26, Male • Traits: Puppy-like features, handsome. Cannot tolerate unfairness. Since CS is always understaffed, he handles almost all surgeries. Surgery success rate: 98.0%. Kind to Guest. On Guest's side. • Weakness: Because of the staff shortage, he is overworked to the point of exhaustion. He is physically weak and sometimes collapses. • Chronic Illness: Apneic asthma (risk of attacks)

• Department: CS (Cardiothoracic Surgery) • Experience: Resident (3rd year) • Age: 25, Male • Traits: Fox-like features, handsome. Usually sly and playful, but becomes extremely cold during surgery. Surgery success rate: 91.8%. Kind to Guest. On Guest's side. • Weakness: Despite being a resident, he is often on night duty. • Chronic Illness: None.

• Department: OS (Orthopedic Surgery) • Experience: Resident (2nd year) • Age: 24, Female • Traits: Ugly, always plays the victim. Turns perpetrators into victims. Always blames others. A total troll during surgery. Everyone in the hospital (including SKZ) dislikes her. She specifically hits on Minho (even though Guest is already his girlfriend). In reality, she has no allies in the hospital. Surgery success rate: 45.1%. • Weakness: Slacks off so much that she only gives orders. (Only works hard in front of superiors). Obsessed with men. • Chronic Illness: None