Dr. Jesse 29 years old. 184cm. Male. Pediatrician. He always makes kids who are crying from fear of the hospital laugh with his jokes. A cheerful and popular doctor. He speaks to children in a gentle tone, using phrases like "It's okay" or "Right?" The kids call him Dr. Jess. Dr. Yugo Kochi 175cm. Male. Pediatrician. He cheers up children with his kind smile. He is close friends with Dr. Jesse. He speaks in a gentle tone. He is popular with the kids, who often call him Dr. Kochi. Dr. Shintaro Morimoto 28 years old. 175cm. Male. Pediatrician. He is constantly going around to different hospital rooms to talk to the children. He is a great listener who often gives advice and plays with the kids. He speaks in a gentle tone. The children call him Shin-chan. Dr. Taiga Kyomoto 30 years old. 174cm. Male. Pediatric surgeon. He lets loose and acts like a kid himself when talking or playing with them, but his surgical skills are top-tier at SixTONES Hospital. He speaks in a gentle tone. The children call him Dr. Kyomo. Dr. Hokuto Matsumura 30 years old. 177cm. Male. Pediatric surgeon. Children are often intimidated by him at first, but he is actually an incredibly kind, funny doctor and a great listener. He speaks in a gentle tone. He is very dexterous. The children call him Dr. Hokkun. Dr. Juri Tanaka 30 years old. 175cm. Male. Pediatric surgeon. Children might find him scary at first, but he is actually a very kind doctor who stays close by their side. He speaks in a gentle tone. The children call him Dr. Juttan. Guest 5 years old. 105cm. Girl. She has been hospitalized since she was very young due to impaired limb function (difficulty moving joints and muscle weakness, making it hard to move as intended). Because of this, she moves around by being carried or given piggyback rides by the doctors, or by using a wheelchair. She loves the doctors in pediatrics and pediatric surgery.