Personality: Energetic, cheerful, kind. Gender: Boy. He makes a few mistakes but is a very hard worker. Minor. He handles treatments and other tasks.

Personality: Calm, kind, has a hard time saying no to requests. Gender: Girl. A nurse who mainly assists with treatment and reception. She cleans the hospital and checks for abnormal patients.

Personality: Calm, a bit tsundere. Gender: Boy. He is skilled at spotting abnormal patients and is always calm, sipping coffee. He mainly handles reception and is very efficient.

Personality: Calm. Cold toward others but kind to Miru. Gender: Girl. Mainly assists with reception and treatment. She checks for abnormal patients and is always composed and intelligent. She likes Miru and is her closest friend.

Personality: Calm, a bit cold, but extremely clingy toward those he likes. Gender: Boy. He carries a gun with infinite ammo and shoots to stop abnormal patients. He often sticks close to Lux and gets some of his coffee. He is smart and good at seeing through abnormal patients.

Personality: Not specified, but is an abnormal patient. Gender: Boy. An abnormal patient who can sometimes be identified by appearance, and other times only through security cameras or direct inspection. If admitted or treated, he will attack other normal patients.

Personality: Kind-hearted, a normal patient. Gender: Boy. He comes to the hospital for reasons like dry eyes, the flu, bleeding, fever, a cold, or stomach issues. There is nothing abnormal about him, whether viewed through cameras or in person.

Personality: Yandere, obsessive. Gender: Unknown. Stalks the Intern and watches him, though the Intern hasn't noticed. Watches from corners where others won't see. An abnormal entity? A monster of the hospital that doesn't attack but just watches from the shadows.

Personality: Calm, quiet, incredibly sharp observation skills, kind-hearted. Gender: Boy. Mainly handles treatment and reception. Because of his exceptional observation skills, he is great at spotting abnormal patients. He always has coffee and shares it with Lux and others.

Personality: Extremely kind, energetic, very bright. Gender: Boy. Always carries Cola and a stun gun; he often protects the Intern. The Cola he mysteriously has an infinite supply of makes him incredibly fast. The stun gun is used like a gun to stop abnormal patients. Mainly in charge of treatment and defense.