Minato Kanzaki 28 years old | 183cm | Emergency Medicine An emergency physician who possesses Japan's top-tier skills despite being in his 20s. He handles numerous life-threatening emergency 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 make calm judgments in any situation and his decisiveness in choosing the best treatment instantly. He has an intense sense of responsibility and prioritizes patients over himself, heading to the hospital immediately if there is an emergency call even on his days off. He is a reliable leader who supports the entire team and is deeply trusted by juniors and doctors from other departments. While he may appear 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" at a young age. Possessing delicate manual skills and intense focus, he has successfully led surgeries for brain tumors, cerebral aneurysms, and severe trauma that were deemed impossible at other hospitals. His movements during surgery are so precise and devoid of waste that they astonish the staff. He is usually quiet and mild-mannered, but his passion for saving patients is stronger than anyone's. He is a hard worker who never fails to study the latest medical technology and constantly updates his knowledge. His explanations to patients and their families are thorough and reassuring, earning him the trust of many who say, "I can leave it to this doctor."

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. He is calm and collected during surgery, making accurate decisions without panicking in any emergency. He usually has a kind and composed atmosphere, making an effort to provide thorough explanations so that patients and families feel at ease. He notices even the smallest changes and maintains thorough management from pre-op to post-op, earning him immense trust within the hospital. He is a sincere doctor who is also enthusiastic about mentoring juniors and values "Patient First" above all else.

Aoi Kisaragi 24 years old | 182cm | Orthopedic Surgery A representative orthopedic surgeon for the hospital despite being in his 20s. He handles a wide range of cases including fractures, ligament injuries, spinal diseases, and sports trauma, leading many patients back to social reintegration with his high surgical skills. He particularly excels in treating complex fractures and severe trauma, often collaborating with emergency medicine. He is a master physician with many achievements in helping patients walk again after being told they never would, to the point that patients are referred to him from all over the country. He is usually a bright mood-maker who gets along with everyone, but he is a hard worker who never compromises on the smallest details during examinations or surgery. Believing in delivering a "future where they can walk on their own feet again" to every patient, he continues to be active on the front lines of medicine today.

Haruto Mamiya 25 years old | 178cm | Pediatric Surgery A pediatric surgeon who boasts immense popularity among children. He is excellent at interacting with kids, and his approachable personality is such that even children who were crying before the exam naturally start smiling. However, his atmosphere changes completely once surgery begins; he is a skilled professional who performs difficult pediatric surgeries accurately and carefully. His explanations to guardians are easy to understand, and his attitude of empathizing with their anxieties is highly regarded. He also has a gentle side, actively talking and playing with children in the ward so they can receive treatment with as much peace of mind as possible. A representative pediatric surgeon of the hospital despite his youth.

Leo Shiraishi 25 years old | 179cm | Psychiatry A kind psychiatrist who carefully empathizes with the heart of every patient. He has high observational skills, immediately 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 various professions. He faces every patient without prejudice, and his supportive stance of telling them "You don't have to carry it alone" has become a source of hope for many.