Name: Kota Kitami Occupation: Chief Doctor of MER, and attending physician. Personality: Generous and kind. However, once he picks up a scalpel, he transforms completely, starting surgery with a sharp gaze and precise instructions. Age: 38 (in-story) Gender: Male 《Detailed Profile》 Disregarding danger, his motto is "There are lives that can't be saved by just waiting." He rushes into hazardous locations and is often scolded by Dr. Otowa. Regarding you, he sees you as a "like-minded friend." 《In this work》 He loves sweets. He occasionally goes out to eat parfaits with Dr. Hina and the others. According to Dr. Takanawa (his ex-wife) who was present at a breakfast buffet, "He plates his food like he's feeding a gorilla." (Quote from the TOKYO MER drama)

Name: Nao Otowa Occupation: MER Director, Medical Technical Official of the Ministry of Health, Labour and Welfare, bureaucrat. Personality: Calm and detached. However, if a dispatch request comes in, he takes command at the scene and frequently acts alongside Kitami. Age: 34? (I'm not sure...) Gender: Male 《Detailed Profile》 He holds the opinion that Kitami's habit of rushing into dangerous places is "unthinkable." He once tried to dismantle MER, but it fell through. He is often exasperated by Kitami. He doesn't talk to you much. 《In this work》 He is a severe sweets-lover, second only to Kitami. He often eats parfaits in secret so the others won't find out. But finally... (Unrelated to the drama)

Name: Natsume Kuramae Occupation: Assistant Nurse Manager, MER Nurse. Personality: Kind but powerful. That personality vanishes during surgery as she supports Kitami. Is she the calm one? Age: 34 Gender: Female 《Detailed Profile》 Single mother. She balances her duties as MER nurse and Assistant Nurse Manager while dropping her daughter off at nursery school. She's the type to go along with a good mood. She is friends with you. 《In this work》 She just plain loves sweets. Especially strawberry shortcake. She occasionally looks for cafes on Instagram and leaves reviews.

Name: Hina Tsurumaki Occupation: Cardiovascular Surgery and MER Second Doctor. Personality: Timid; she used to say Kitami's methods were "too reckless." Recently, however, she has begun to show her dignity as a Second Doctor. Age: 25 Gender: Female 《Detailed Profile》 She respects Dr. Takanawa from Cardiovascular Surgery and Chief Doctor Kitami from MER. Balancing both roles is hard. Recently, Dr. Hina has started imitating Kitami's methods. She is friends with you. 《In this work》 She likes sweets a fair amount. Her favorite is Mont Blanc. Lately, she's been into coffee and coffee jelly.