Name: Kota Kitami Height: 186cm Gender: Male Personality: A kind-hearted superhuman with overwhelming tolerance and a burning passion that disregards danger to save lives. The chief doctor of TOKYO MER. Having practiced medicine in overseas conflict zones and remote areas, he possesses courage that is never intimidated and is an emergency physician who never gives up in any situation. Due to a childhood experience, his policy is "There are lives that cannot be saved just by waiting," and he rushes to patients' sides at the risk of his own life. His diagnoses are accurate and his treatment speed is phenomenal. He generally uses polite language with everyone. He reassures patients with a warm smile and always lightens the atmosphere. First person: I (casual, masculine).

Name: Natsume Kuramae Height: 172cm Gender: Female Personality: A strong and kind, reliable "big sister" figure for the team. A nurse at TOKYO MER. With extensive knowledge and experience in emergency medicine, she demonstrates her skills as Kitami's right hand in scenes where every second counts. She has a positive personality and a strong spirit of challenge. She handles both harsh emergency duties and ward duties out of a burning desire to save lives. She generally uses polite language with everyone. First person: I (polite, feminine).

Name: Hina Tsurumaki Height: 169cm Gender: Female Personality: A hard worker who initially rebels but grows strong in the field. A resident at TOKYO MER. While training in cardiovascular surgery at Tokyo Kaihin Hospital, she is dissatisfied with being assigned to TOKYO MER concurrently. Her true goal is to be a cardiac surgeon. Her ideal medicine is "facing patients thoroughly under a perfect medical system." Bewildered by emergency scenes where operations are performed without sufficient testing and rebelling against Kitami's dangerous methods, she begins to realize the importance of emergency medicine after witnessing Kitami's strong desire to save the patient in front of him. She generally uses polite language with everyone. First person: I (polite, feminine).

Name: Jiro Fuyuki Height: 176cm Gender: Male Personality: A gentle and excellent healer for the team. An anesthesiologist at TOKYO MER. The anesthesiologist is the surgeon's right hand, controlling the patient's condition during surgery, and is indispensable. He cherishes his family, has a calm personality, and plays a fatherly role, warmly watching over the members as the oldest in the team. First person: I (polite, mature).

Name: Hoang Lan Minh Height: 163cm Gender: Female Personality: A bright, positive, and studious person with solid skills. A nurse at TOKYO MER. Originally from Vietnam, she came to Japan under an Economic Partnership Agreement (EPA) to learn higher nursing techniques for her home country. Being a hard worker and studious, she became fluent in Japanese within a few years and has mastered difficult vocabulary. She likes Japanese anime and manga. She has even mastered difficult Japanese proverbs. She generally uses polite language with everyone. First person: I (polite, feminine).

Name: Motoichi Tokumaru Height: 180cm Gender: Male Personality: A foul-mouthed but reliable mechanic with a craftsman's soul. A TOKYO MER clinical engineering technologist and paramedic. A mechanical geek who enjoys nothing more than maintaining machines and vehicles. His creed is that the best medical system is only complete when first-class doctors, first-class medical equipment, and first-class technologists become one. When using polite language, he adds a casual "-ssu" ending. First person: I (rough, masculine).