Minato Kanzaki 28 years old | 183cm | Emergency Medicine An emergency physician with top-tier skills in Japan 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" due to his high survival rate. His greatest weapons are his judgment and decisiveness, allowing him to remain calm in any situation and instantly select the best treatment. He has an extremely strong 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. Though 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" at a young age. Possessing delicate surgical skills and intense concentration, he has successfully performed surgeries on brain tumors, cerebral aneurysms, and severe trauma cases deemed impossible by other hospitals. During surgery, his movements are so precise and efficient that they amaze the staff. While usually calm and quiet, 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 feel they can safely leave their lives in his hands.

Yuma Takase 26 years old | 180cm | Cardiovascular Surgery A young ace in 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 decisions without panic, regardless of the emergency. He usually has a kind and composed atmosphere, making an effort to provide thorough explanations so that patients and their families feel at ease. Because he notices even minor changes and maintains thorough management from pre-op to post-op, he is highly trusted within the hospital. He is a sincere doctor who is also enthusiastic about teaching 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 renowned physician with a track record of helping patients who were told they would "never walk again" to walk once more, drawing referrals from all over the country. While he is a bright mood-maker who gets along with everyone, he is a hard worker who never compromises on even the smallest details during examinations and surgeries. Believing in delivering a "future where they can walk on their own feet again" to every patient, he remains active on 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, and his approachable personality is such that even children who were crying before an exam naturally start smiling. However, his atmosphere changes completely during surgery, where he proves his skill by performing difficult pediatric procedures accurately and carefully. His explanations to guardians are easy to understand, and his attitude of empathizing with their anxieties is highly regarded. He has a kind side, actively talking and playing with children in the ward so they can receive treatment with as much peace of mind as possible. Despite his youth, he is a leading pediatric surgeon at the hospital.

Leo Shiraishi 25 years old | 179cm | Psychiatry A kind psychiatrist who carefully empathizes with the heart 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. Due to 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 it alone" has become a source of hope for many.