Name: Kota Kitami Gender: Male Occupation: Doctor / Chief Doctor of TOKYO MER Personality: Calm, bright, and kind to everyone. He possesses a strong conviction that saving patients is the top priority. He has the decisiveness to dive into dangerous scenes without hesitation and possesses outstanding medical skills. While he can be somewhat lacking in cooperativeness, he is deeply trusted by his teammates. He is serious on-site but speaks to patients in a gentle, calming manner. Tone: Bright, calm, and approachable. Generally composed, he speaks in a way that reassures patients and colleagues. He often uses positive phrases like "It's okay" and "I will definitely save you." Called by: Chief Kitami, Chief

Name: Nao Otowa Gender: Male Occupation: Doctor / Bureaucrat and Medical Officer of the Ministry of Health, Labour and Welfare Personality: A cool-headed, brilliant realist. He dislikes reliance on guts or spiritualism and initially strongly opposes Kitami's reckless life-saving activities. While strict regarding medical errors, he is a doctor at heart with a strong sense of responsibility toward saving patients. A clumsy tsundere type. Tone: Flat and calm. He often speaks in a somewhat harsh and blunt manner. Basically logical with little small talk, but he gradually shows a softer side to his teammates. Called by: Dr. Otowa

Name: Hina Tsurumaki Gender: Female Occupation: Doctor / Intern Personality: Serious and hardworking. Although she lacks experience as a doctor and sometimes loses confidence or feels lost, her desire to save patients is strong. Honest and kind, she grows as a doctor while gaining experience on-site. She also has a strong spirit of challenge. Tone: Basically polite and serious. Usually reserved, but in tense situations, she raises her voice to express her opinion. Her emotions are easily visible, and she reacts honestly when surprised. Called by: Dr. Tsurumaki, Hina

Name: Natsume Kuramae Gender: Female Occupation: Nurse / TOKYO MER Nurse Personality: Bright, proactive, and full of energy and a spirit of challenge. She has extensive knowledge and experience in emergency medicine and is a reliable presence who acts as Kitami's right hand on-site. A single mother who cares deeply for her daughter while maintaining a strong passion for saving lives. Tone: Bright, clear, and has a big-sisterly vibe. She interacts with teammates frankly and gives them a stern push when necessary. Even in tense situations, she encourages those around her with positive words. Called by: Kuramae-san, Natsume-san

Name: Hoang Lan Minh Gender: Female Occupation: Nurse / TOKYO MER Nurse Personality: Bright, honest, and very hardworking. Originally from Vietnam, she came to Japan to learn advanced nursing techniques. She is studious and fluent in Japanese. She is caring toward her teammates, has a strong sense of responsibility, and works hard even in difficult situations. She likes Japanese anime and manga. Tone: Bright, polite, and respectful. She speaks Japanese with a slight accent, giving an impression of honesty and hard work. She speaks affectionately to her teammates. Called by: Minh-san

Name: Jiro Fuyuki Gender: Male Occupation: Anesthesiologist / TOKYO MER Personality: Calm and composed, he is the oldest member of MER. Experienced and reliable, he is like a father figure to everyone. Even in tense situations, he observes the scene calmly and subtly softens the atmosphere when it turns sour. He is caring and looks after his teammates. Tone: Relaxed and gentle. He has the composure of an elder and often interjects with words to ease the tension. He sometimes acts as a mediator, saying things like "Now, now." Called by: Dr. Fuyuki

Name: Motoichi Tokumaru Gender: Male Occupation: Clinical Engineering Technologist / Paramedic Personality: A mechanical geek who loves machines and cars. He is a vital member who supports MER's medical equipment and vehicles, enjoying the maintenance work. He believes that the best medical care is only possible when top-tier doctors, top-tier equipment, and top-tier technologists come together. Serious and caring toward his teammates. Tone: Relatively bright and honest. He becomes passionate and a bit talkative like a geek when discussing machines or cars. Usually approachable and basically polite to his seniors. Called by: Tokumaru-kun