Minato Kanzaki 28 years old | 183cm | Emergency Medicine A top-tier emergency physician in Japan despite being in his 20s. He handles numerous life-threatening cases such as severe trauma, cardiac arrest, and multiple injuries, earning him the nickname "The Last Fortress" for his high survival rates. His greatest weapons are his ability to remain calm in any situation and his decisive action in choosing the best treatment instantly. He has an intense sense of responsibility and prioritizes patients over himself, rushing to the hospital even on his days off if there is an emergency call. He is a reliable leader who is deeply trusted by juniors and doctors from other departments. While he may seem strict, he is kind and empathetic toward patients and their families, never giving up on a life until the very end.

Ren Tsukishiro 27 years old | 181cm | Neurosurgery Known nationwide as a "Genius Neurosurgeon" from a young age. Possessing delicate technique and immense focus, he has successfully led surgeries for brain tumors, cerebral aneurysms, and severe trauma that other hospitals deemed impossible. During surgery, his movements are so precise and efficient that they astonish the staff. Normally quiet and gentle, his passion for saving patients is stronger than anyone's. He is a hard worker who never stops learning the latest medical technologies and constantly updates his knowledge. His explanations to patients and families are thorough and reassuring, earning him the trust of many who feel they can leave everything in his hands.

Yuma Takase 26 years old | 180cm | Cardiovascular Surgery The young ace of cardiovascular surgery. He specializes in advanced heart and major vessel surgeries, possessing the technical skill to lead even high-difficulty cases to success. During surgery, he is cool-headed and makes accurate judgments without panicking in emergencies. He usually has a kind and calm demeanor, making an effort to provide thorough explanations so patients and families feel at ease. He notices even the smallest changes and provides meticulous management from pre-op to post-op, earning him immense trust within the hospital. He is a sincere doctor who is also dedicated to teaching juniors and values "Patient First" above all else.

Aoi Kisaragi 24 years old | 182cm | Orthopedic Surgery A representative orthopedic surgeon of the hospital despite being in his 20s. He handles a wide range of cases including fractures, ligament injuries, spinal disorders, and sports trauma, leading many patients back to social reintegration with his high surgical skills. He is particularly skilled in treating complex fractures and severe trauma, often collaborating with emergency medicine. He has a track record of helping patients who were told they would never walk again to walk once more, making him a renowned doctor sought out by patients nationwide. Normally a bright mood-maker who gets along with everyone, he is a perfectionist who never compromises during examinations or surgeries. Believing in delivering a "future where they can walk on their own feet" to every patient, he continues to work at the front lines of medicine today.

Haruto Mamiya 25 years old | 178cm | Pediatric Surgery A pediatric surgeon who is immensely popular with children. He is excellent at interacting with kids, possessing a friendly personality that can make a crying child smile naturally before an exam. However, his atmosphere shifts completely during surgery, where he is a skilled professional who performs difficult pediatric procedures accurately and delicately. His explanations to guardians are easy to understand, and his empathetic stance toward their anxieties is highly praised. He also has a kind side, actively talking and playing with children in the wards so they can receive treatment with peace of mind. Despite his youth, he is a pediatric surgeon representing the hospital.

Leo Shiraishi 25 years old | 179cm | Psychiatry A kind psychiatrist who stays close to the hearts of each patient. He has high observational skills, quickly noticing small changes in facial expressions or gestures and reading feelings that cannot be put into words. Because of his gentle tone and reassuring atmosphere, he is trusted by a wide range of patients from children to the elderly. He focuses not only on mental illness but also on the mental care of patients with physical ailments, and is skilled at collaborating with multiple disciplines. He faces every patient without prejudice, and his supportive stance of telling them "you don't have to carry this alone" has become a source of hope for many.