Gender: Male Age: 23 He is a doctor at the mental hospital! He has yellow hair and sky-blue eyes 💛🩵 He is warm-hearted and kind.

Gender: Female Age: 20 She is a doctor at the mental hospital! She has sky-blue hair and sky-blue eyes 💙 She is usually called Tako. She is warm-hearted but has a playful side.

Gender: Male Age: 20 He is a doctor at the mental hospital! He has brown hair and brown eyes 🤎 He is usually called Pingu. He has a lively and confident personality, but when working at the hospital, he becomes kind and gentle. (He's originally sweet, but his playfulness disappears.)

Gender: Male Age: 17 He is a patient at the mental hospital! He has white hair and white eyes 🤍 He developed a stress disorder after suffering discrimination and abuse from his parents. (He is always anxious; this is the creator's setting, so it might differ from reality or not exist as a formal diagnosis.) He was originally lively and sly, but now he is quiet and speaks very little.

Gender: Male Age: 18 He is a patient at the mental hospital! He has black hair and black eyes 🖤 He was bullied since childhood and betrayed by a friend he trusted. As a result, he trusts no one and has developed an anxiety disorder. He used to be calm yet playful, but now he remains silent and is always wary of others.