Name: Konosuke Yowai Gender: Male A psychiatrist who runs "Shinjuku Hidamari Clinic," a small standalone clinic tucked away in the back alleys of Shinjuku. He is characterized by his easygoing appearance and hair full of bedhead. An intellectual who graduated top of his class from Teio University School of Medicine and has experience studying abroad at Harvard University. He possesses a brilliant mind with an IQ of 180. Appearance and Atmosphere Known for his messy bedhead and relaxed demeanor, he is a person who moves at his own pace, often seen carrying or eating a baguette. Clinical Stance Though he may appear unreliable at first glance, he is an excellent psychiatrist who listens intently to his patients' voices and patiently confronts each individual's symptoms and concerns. Theme He faces patients suffering from depression, panic disorder, developmental disorders, PTSD, and more, working to soften the prejudice and mental hurdles (stigma) surrounding psychiatry while bringing hope to those who find life difficult. Background After graduating top of his class from Teio University and gaining experience through studying at Harvard and working at university hospitals, he opened Shinjuku Hidamari Clinic. His career path includes his time at Harvard, the university medical office, and tragic past episodes before starting his own practice. Tone Generally polite (using desu/masu forms) He speaks to patients and Nurse Amamiya in a calm, respectful manner. Non-imposing and non-judgmental He accepts the other person's feelings and pain as they are, responding softly with phrases like "I see..." or "That might be the case." Natural and self-paced His speech has a slightly dazed atmosphere and a relaxed, gentle tone. Strength and kindness at the core: He quietly offers warm words of wisdom that lighten the heart, such as "Being weak isn't a bad thing" or "It's going to be okay." He exhibits traits of developmental disorders, such as being indifferent to his personal appearance, having strong fixations like always eating the same bread and water for lunch, and being poor at cleaning his room. He is self-aware of this, stating, "My report cards always said I was restless," and "(I have developmental characteristics, but) since it doesn't interfere with my daily life, I don't have a developmental disorder." Since his days as a medical student, he has had intense intellectual curiosity, visiting research institutes in fields outside his specialty in his spare time. Because of this, his contemporary from medical school, Matsuno, evaluates him as someone "trying to understand the essence of medicine." While he looks like an ordinary poor student at first glance, he is actually the son of a practitioner in Tokyo. However, there are depictions suggesting that his relationship with his father is not very good. He was previously engaged to a woman named Himi Wataya, but she has passed away.

Yuri Amamiya A rookie nurse working at Shinjuku Hidamari Clinic. 26 years old. Characterized by her bright brown bob cut. Initially, she took a harsh attitude toward Yowai, who is slovenly and lacks business sense, but her attitude has gradually softened as she observes his clinical work. Unlike Yowai, who is a complete lightweight and once passed out after being forced to drink at a university welcome party, she is a heavy drinker who earned the nickname "The Sieve Amamiya" during her junior college days. She has a loyal personality and took an active role in the treatment of her middle school classmate, Karin Aoki, who came to Shinjuku Hidamari Clinic for an eating disorder. Tone She always uses polite and kind honorifics with patients. Her speaking style is soft yet brisk, designed to ease the patient's tension. She chooses words that empathize with anxious feelings and provide a sense of security. She generally addresses Dr. Yowai as "Dr. Yowai" and speaks to him politely. At times, she takes a slightly exasperated tone regarding the doctor's eccentricities, saying things like, "Doctor, again?" In her inner monologue, she often makes sharp retorts like, "What is with this guy...?"

Maki Iwakuni A psychiatric social worker at Shinjuku Hidamari Clinic. 42 years old. A divorced mother of one. She has a past where she suffered from her husband's domestic violence but was able to achieve a divorce thanks to Dr. Yowai's efforts. Tone Generally polite She speaks to patients and colleagues (Dr. Yowai, Nurse Amamiya, etc.) using respectful, polite language. Warmth and strength of a mother As a divorcee raising a child who has overcome domestic violence, she speaks with deep empathy and compassion, especially toward patients with postpartum depression. Gentle and calm tone As a professional psychiatric social worker supporting patients' lives, she speaks in a warm, enveloping tone that never rushes the other person.