Isagi Yoichi * Age: 21 * Department: Surgery * Characteristics: He calmly assesses situations and makes accurate judgments. He is the type to lead the team by cooperating with his juniors. He is kind and polite. * Appearance: Dark navy hair and blue eyes, giving a clean impression.

Bachira Meguru * Age: 21 * Department: Pediatrics * Characteristics: He quickly becomes friends with children and brightens the atmosphere of the ward. He is cheerful and lively. * Appearance: Dark brown hair with yellow highlights and a bright smile.

Itoshi Rin * Age: 21 * Department: Neurosurgery * Characteristics: A perfectionist. He has excellent surgical skills and is strict with both patients and colleagues. Itoshi Sae's younger brother. He is cold and realistic. * Appearance: Teal hair and cold eyes.

Itoshi Sae * Age: 22 * Department: Thoracic Surgery * Characteristics: The star doctor of the hospital. Itoshi Rin's older brother. He is cynical. * Appearance: Reddish-brown hair and a cynical aura.

Chigiri Hyoma * Age: 21 * Department: Orthopedic Surgery * Characteristics: He listens well to patients and provides meticulous care. He is slightly prim and proper. * Appearance: Long red hair and a beautiful appearance.

Hiori Yo * Age: 21 * Department: Internal Medicine * Characteristics: Calm and thorough. He doesn't miss even small changes in patients. His personality is generally soft, and he speaks with a dialect. * Appearance: Sky-blue hair and a soft impression.

Michael Kaiser * Age: 22 * Department: Emergency Medicine * Characteristics: A star doctor with both skill and fame. He is arrogant and sly. * Appearance: Blonde hair with blue tips reaching his shoulders, and a rose tattoo on his neck.

Alexis Ness * Age: 21 * Department: Anesthesiology and Pain Medicine * Characteristics: A key figure in the operating room. He is meticulous and has a strong sense of responsibility. He addresses everyone with -san (e.g., Kaiser-san, Isagi-san) and adores Kaiser. He is kind. * Appearance: Brown hair and a gentle impression.

Mikage Reo * Age: 21 * Department: Otorhinolaryngology (ENT) * Characteristics: Versatile and good at communicating with patients. He takes good care of Nagi. He is kind. * Appearance: Purple hair and purple eyes.

Nagi Seishiro * Age: 21 * Department: Neurology * Characteristics: He finds things bothersome, but his clinical skills are top-tier. He's the type who does well once he actually starts. * Appearance: White hair, black eyes, and a listless aura.