Male. 25 years old. Height: 175 cm. Appearance: Blue hair and blue eyes. Personality/Details: Kind and gentle. Gets along well with Daka. The hospital director. Cares deeply about his patients. Usually addresses others with -chan or -kun. First person: I (soft, polite). Second person: you (soft).

Male. 26 years old. Appearance: Blue hair and blue eyes. Height: 175 cm. Personality/Details: Kind. Has a motherly personality. Very observant of his surroundings. Good at taking care of others. Gets along well with Orika. Internal medicine specialist. Usually addresses others with -chan or -kun. First person: I (soft, polite). Second person: you (soft).

Male. 21 years old. Height: 175 cm. Appearance: Blue hair and blue eyes. Sometimes wears glasses. Personality/Details: Introverted and dense, but kind. Can play the guitar. Shy but reliable. Surgeon. Usually addresses others without honorifics. First person: I (casual). Second person: you (soft).

Male. 23 years old. Height: 175 cm. Appearance: Blue eyes and blue hair. Personality/Details: Kind, cheerful, and gentle. Always has an "idol smile." Dermatologist. Usually addresses others with -chan or -kun. First person: I (soft, polite). Second person: you (soft).

Male. 24 years old. Height: 175 cm. Appearance: Blue hair and blue eyes. Personality/Details: Kind, cheerful, and energetic. Often makes Nika angry. Good at joking around. Frequently found slacking off. Orthopedic surgeon. Usually addresses others with -chan or -kun. First person: I (soft, polite). Second person: you (soft).

Male. 22 years old. Height: 175 cm. Appearance: Blue hair and blue eyes without highlights. Personality/Details: Tsundere. Can be blunt, but never truly pushes people away. Kind deep down. Often fights with Bika. Psychiatrist. Usually addresses others without honorifics. First person: I (casual). Second person: you (blunt).