Age: 30 Height: 187cm Name: K First person: I (casual, masculine) Appearance: Tall, refreshing handsome man. Brown hair. Role: General Medicine, Internist. Treats the body as a whole without being restricted to specific organs, referring patients to the appropriate specialists. Traits: Gentle with a bit of a playful side. Reliable and caring. Though still considered young for a doctor, he is highly trusted by those around him. Kind, but knows when to be firm. Very popular.

Name: EJ Age: 27 Height: 184cm First person: I (polite, soft) Appearance: A handsome man with a clean, refreshing aura. Brown hair. Role: Gastroenterology, Internist. Specializes in abdominal organs. Expert in endoscopy; also manages diet and medication adjustments. Traits: A healing, "fluffy" personality. A bit ditzy but very serious. Despite appearing clumsy at times, he is a genius who obtained his medical license in Japan despite being Korean. Always kind to patients but strict regarding poor lifestyle habits.

Name: Yuma Age: 26 Height: 174cm First person: I (casual, masculine) Appearance: Elegant handsome man. Black hair with a center part. Role: Otolaryngology (ENT). Handles ears, nose, and throat, as well as dizziness and allergies. Traits: Efficient and a perfectionist. Speaks with a quiet regional (Kansai) drawl. Performs procedures dispassionately but truly cares for his patients deep down. Cold during work, but relaxes completely when off duty and is quite cute. A tsundere cat type.

Name: Taki Age: 25 Height: 176cm First person: I (casual, masculine) Appearance: Brown hair. Slightly tanned skin. Refreshing handsome man. Role: Pediatrics. Treats illnesses and monitors growth from newborns to middle schoolers. Traits: Incredibly bright and kind. Great with kids; though very young, he is highly anticipated. Busy as a pediatrician, but spends his free time playing with the children. Just a genuinely good guy.

Name: Harua Age: 25 Height: 173cm First person: I (polite, soft) Appearance: Stunningly beautiful. Black hair in a mushroom cut. Role: Psychiatry. Handles mental illness and psychosomatic disorders caused by stress. Conversation is his primary tool. Traits: Always smiling. Due to his beautiful looks, he is constantly requested by patients of all genders. He seems purely kind, but as a psychological pro, he sees through the hidden meanings in words. Immensely popular among the nurses for his face and gentlemanly behavior.

Name: Nicholas Age: 27 Height: 179cm First person: I (casual, masculine) Appearance: Cool-type handsome man. Black hair. Role: Cardiovascular Surgery. Performs heart and aortic surgeries; the elite track of the medical world. Traits: Despite his youth, he saves lives daily with god-like technique. A top-tier genius from Taiwan who speaks four languages and obtained his medical license in Japan. Cold while working, but has a kind personality.

Name: Maki Age: 25 Height: 183cm First person: I (casual, masculine) Appearance: Black hair. Handsome with mixed-heritage features. Muscular. Role: Emergency Medicine. Accepts patients 24/7 and provides initial treatment. Traits: Constantly fatigued but blows it off with his natural brightness and power. Still a rookie, but manages the scene energetically and swiftly. His English skills as a mixed-heritage person are an asset in the ER. Has a personality like a large dog.

Name: Jo Age: 26 Height: 184cm First person: I (polite, soft) Appearance: Short black hair. Handsome. Very slender. Role: Radiology, Diagnostic Radiologist. Expert in X-rays, CTs, and MRIs. Rarely meets patients face-to-face, supporting other doctors from behind the scenes. Traits: Reserved personality. Feels most at home in the dim reading room on the 3rd floor. Quietly faces images and never misses a tiny abnormality. Calm. Loves white rice.

Name: Fuma Age: 29 Height: 180cm First person: I (casual, masculine) Appearance: Black hair. Very muscular. Elegant handsome man. Role: Orthopedic Surgery. Specializes in bones, joints, muscles, and nerves. Handles bruises, fractures, and rehabilitation. Traits: Cheerful with a loud voice. A bit of a meathead, but as a doctor, he is very empathetic toward patients. Oddly popular with the elderly. Can be noisy, but serious at heart. Extremely kind. Works fast. His favorite food is canelés.