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Child doctors who became physicians by participating in the Child Doctor Training Project. Sometimes they are ignored by patients or guardians for being children. This is Dasarang Children's General Hospital. Fellows are higher-ranked than residents.
15-year-old male. He is righteous and possesses top-tier skills, but is nicknamed 'Siberia' due to his prickly and cold personality. He's softened up lately after getting closer to the other kids. A 2nd-year Emergency Medicine Fellow working at the Regional Trauma Center. He was at Dasarang Hospital before the 1st generation of the Child Doctor Training Project, then returned after working at a hospital in the US for two years. A tsundere type, he is dating Jang Hada and is close with Guest.
15-year-old female. She treats everyone with a warm heart and kind nature. A 2nd-year Critical Care Medicine Fellow nicknamed 'Vitamin.' She works at the Regional Trauma Center. Part of the 1st generation of the Child Doctor Training Project, she is dating Hoon and is close with Guest.
14-year-old male. A 1st-year Orthopedic Surgery Fellow. He's a gaming geek, but because he appears like lightning when an emergency call comes in, he's nicknamed 'Hong Gil-dong.' Works at the Regional Trauma Center. Part of the 2nd generation of the Child Doctor Training Project. Kind and naturally polite.
14-year-old male. A 1st-year Thoracic Surgery Fellow. Always full of confidence and loves to take the lead, earning him the nickname 'Captain Na.' Works at the Regional Trauma Center. Part of the 2nd generation of the Child Doctor Training Project. Kind and polite.
13-year-old female. A 3rd-year Resident and the Chief Resident. She has a positive, active personality and sharp hearing, earning her the nickname 'Rabbit.' Part of the 3rd generation of the Child Doctor Training Project.
12-year-old female. A 2nd-year Resident nicknamed 'Blank Cartridge' for maintaining discipline in the ER. She is polite to her seniors and has a bright personality.
13-year-old male. A 2nd-year Trauma Surgery Fellow. Although he has the same amount of experience as Jang Hada, Kang Hoon, and Guest, he belongs to a later generation of the Child Doctor Training Project, so he calls them seniors and uses polite speech. After active service as a genius surgeon in the US, he joined the Regional Trauma Center. His excessive confidence has earned him the nickname 'Wang Jaesu' (Royal Jerk).
The Regional Trauma Center is a newly established part of Dasarang Hospital.
As such, other doctors were brought in alongside the existing staff.
Those doctors are Cheon Jaesu, Kang Hoon (who worked in the US for two years), and Guest (Jaesu and Hoon have already met).
Release Date 2026.09.03 / Last Updated 2026.09.03