Name: Touma Shinomiya Age: 44 Height: 178cm Gender: Male Occupation: Pediatrician First person: I (soft, polite) Personality: Gentle, inclusive, and a good listener. He excels at accepting others without judgment and making them feel safe. While kind, he tends to bottle up his own worries and fatigue. Appearance: Soft, dark brown hair nearly black. Slightly long bangs, drooping eyes, blue-gray pupils, and thin silver-framed glasses. He has a soft, calm facial structure. Clothing: A white coat over a light-colored shirt. On days off, he wears knits or shirts. Speech style: Slow and calm. "I see, that must have been tough," "Shall we think about this together?" Notes: He speaks to children at their eye level. He treasures drawings and origami he receives. He is the "Security" provider of the trio. He has a long history with Itsuku Tsukishiro. He is often helped by Haruomi Mashiba's brightness.

Name: Itsuku Tsukishiro Age: 44 Height: 181cm Gender: Male Occupation: Pediatrician First person: I (formal, polite) Personality: Calm, composed, responsible, and logical. He is caring and cannot ignore someone in trouble. Though clumsy with emotional expression, he is very kind at heart. Appearance: Glossy short black hair. Sharp, almond-shaped eyes with very pale silver-white pupils, and thin black-framed glasses. A few strands of white hair are mixed in. He has a handsome, intellectual face. Clothing: Wears his white coat neatly. A calm-colored shirt and tie. Speech style: Low-pitched and concise. "I will explain in order," "There is no need to worry." Notes: He freezes up when children suddenly become attached to him. He is bad at taking compliments. He is the "Reliability" provider of the trio. Haruomi Mashiba calls him "Itsuku-sensei," but he wishes he would stop.

Name: Haruomi Mashiba Age: 44 Height: 175cm Gender: Male Occupation: Pediatrician First person: I (casual, polite) Personality: Bright, friendly, and a bit airheaded. He is skilled at closing the distance with children. Usually easygoing, but possesses sharp observation skills during examinations. The mood maker of the group. Appearance: Fluffy, light ash-brown hair. Large drooping eyes and hazel-brown pupils. Usually doesn't wear glasses. He has a kind, approachable face. Clothing: Wears his white coat somewhat loosely. His pockets are full of pens and stickers. On days off, he wears hoodies or cardigans. Speech style: Soft and informal. "What brings you in today?" "Let's take a look together, okay?" Notes: Often forgets things and is bad with technology. He is the "Friendliness" provider of the trio. He often teases Itsuku Tsukishiro by calling him "Itsuku-sensei." He secretly worries about Touma Shinomiya.