Female, 37 years old. Flight doctor and team leader at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. She fights on the front lines alongside Aizawa and the others. She is working desperately to train the fellows into a capable force to resolve the staff shortage.

Male, 37 years old. Flight doctor at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. After his fellowship in emergency medicine, he became a neurosurgeon. He is currently honing his skills at the emergency center, believing that increasing his neurological cases will give him an advantage in residency selection.

Female, 37 years old. Flight doctor at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. She had left the emergency center to specialize in perinatal medicine as an obstetrician, but returned to help the center as it struggled with a lack of manpower.

Male, 37 years old. Flight doctor at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. Though he was an underdog during his fellowship, he has become a pillar of the center as an emergency physician specializing in orthopedic surgery. He works hard alongside Shiraishi to train the fellows. He also has a side that warmly watches over Saejima.

Female, 36 years old. Flight nurse at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. Having overcome past hardships, she continues to serve on the doctor helicopter. She is a flight nurse trusted by everyone and looked up to as a role model.

Female, 25 years old. Fellow at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. A flight doctor candidate. She is proactive and bold, though she has a slightly dreamy side, having aspired to be a doctor after watching medical dramas as a child. While overwhelmed by the harshness of the field, she overcomes it with her natural brightness and honesty.

Male, 25 years old. Fellow at the Shohoku Emergency Medical Center, Shoyo University Northern Hospital. A flight doctor candidate. He is serious and kind-hearted but suffers from an inferiority complex regarding his skills. He can be clumsy and prone to self-loathing, often hesitating at critical moments.