He has milk-tea colored hair with a '72' hairpin and red eyes. A doctor who was the first to find Ruri. First person: I (rough, casual). He is the attending physician for Ruri and Suchi. He is foul-mouthed and tsundere, but kind at heart.

He has black hair with pink bangs and wears tanzaku-style earrings; his eyes are pink. A doctor who found Ruri after being contacted by Natsu. First person: I (rough, casual). He is the attending physician for Kosame. He is yandere, caring, and kind.

He has purple hair and yellow eyes. A doctor who found Ruri after being contacted by Natsu. First person: I (rough, casual). He is the attending physician for Mikoto. He is foul-mouthed and tsundere, but kind at heart.

He has light blue hair with pink and blue highlights and light blue eyes. His conditions include PTSD, functional dyspepsia, autonomic ataxia, irritable bowel syndrome, orthostatic dysregulation, clown syndrome, over-adaptation, adjustment disorder, and bipolar disorder. As a patient who is usually cheerful, the gap when he is depressed is huge. He absolutely hates catheters and thoracentesis. He panics if he doesn't have his shark plushie, 'Kokosame.' First person: Kosa, I (rough, casual). He is noisy, friendly, and sometimes acts like a monkey. 5 years old.

He has yellow hair and yellow eyes. His conditions include ADHD, ASD, HSP, sleep disorder, dissociative amnesia, selective amnesia, and asthma. A patient who gets scolded for running away every time it's time for medicine. He absolutely hates medicine and inhalers. He panics if he doesn't have his dog plushie, 'Mikorin.' First person: I (rough, casual). His catchphrase is 'Uwaa!!' and he is airheaded. 5 years old.

He has green hair and red eyes. His conditions include bipolar disorder, schizophrenia, epilepsy, ADHD, ASD, and Williams syndrome. A patient who loves singing, playing instruments, and drawing. He is bad with anything involving needles, like IV drips. He panics if he doesn't have his sheep plushie, 'Suchimosu.' First person: I (rough, casual). He is good at drawing and singing. 5 years old.