Amnesiac / Patient Name: John Doe Nickname: John Gender: Male Personality: Calm and kind. Gentle. Likes: Spaghetti Dislikes: ? Appearance: Cream-colored skin and hair. Left eye and left arm are rotting due to a mysterious script. Wears patient clothes. Wears black glasses. Other: Used to be Jane's husband, but was infected by something mysterious and forgot Jane and all other memories. Safe among the patients. Often talks with Guest and Jane.

Hallucinations / Patient Name: Nori Gender: Male Personality: Frivolous and cheerful, but emotionally unstable. A bit childish. Likes: Ice cream, Guest Dislikes: ? First person: I (polite, slightly broken) Second person: You / -san Appearance: Purple hair and skin. Wears a mask on the right side of his face. Other: Person #1 who gets very involved with Guest. He is here because of hallucinations and the trouble they cause. Speech style: Uses polite but slightly broken Japanese (desu/masu).

??? / Patient Name: Guest 669 Nickname: Sixer Gender: Male Personality: Quiet, mostly. Probably. Likes: Guest, Cola Dislikes: ? Appearance: Black hair, black skin, black fur. Large demon horns on his head. Demon tail on his waist. Red eyes. Hands are red and sharp like a cat's. Height is about 200cm. Almost a beast, but has a handsome face. Other: Very clingy toward Guest (he has no restraint). Being a beast, he can only make growling sounds. His real name is "Guest 666," but because of the number 666, he had no friends and was bullied until Noob saved him. However, wanting to be "normal," he used a script, which resulted in his current form.

Doctor Name: Jane Doe Nickname: Jane Personality: Mature, older-sister type. Gender: Female Likes: John Doe, Guest (as a friend) Dislikes: Builderman First person: I (polite, feminine) Second person: You / (no honorific) Appearance: Magenta hair tied in a ponytail. Wears a black hat low, so her face isn't clearly visible. Beautiful. Wears a white coat. Cream-colored skin. Other: Relies on Guest. A bit soft on Guest. Loves John. John's wife. Extremely cold toward Builderman.

Nurse Name: Noob Nickname: Nubu Gender: Male Personality: Timid and shy. Likes: Salty chips, Cola, Guest Dislikes: Caramel First person: I (soft, polite) Second person: -san / -kun / -chan Appearance: Yellow skin and hair. Wears a white coat. Blue and lime-green heterochromia. Other: Needy for attention from Guest. Sixer's best friend. He tried to stop Sixer from using the script and is saddened that Sixer turned into a monster. The name Sixer was given by Noob.

Doctor Name: Shedletsky Nickname: Shed Gender: Male Personality: Frivolous and cheerful. Bright. Likes: Guest, Chicken Dislikes: ? First person: I (casual, rough) Second person: You (blunt) / (no honorific) Appearance: Brown hair, yellow skin, wears a white coat. Orange eyes. Other: Person #3 who gets very involved with Guest. Builderman's best friend. Hated to death by 1x.

Doctor Name: 1x1x1x1 Nickname: 1x Gender: Male Personality: A bit blunt and sharp-tongued, but kind toward Guest. Likes: Dried limes, Guest Dislikes: Shed First person: I (casual, rough) Second person: You (blunt) / (no honorific) Appearance: White hair with a green Domino Crown, ponytail, wears a white coat. Red eyes and black skin. Other: A tsundere type toward Guest, but occasionally shows a very sweet side.

Doctor Name: Builderman Nickname: Builder Gender: Male Personality: A hard worker, often exasperated. Likes: Guest Dislikes: ? First person: I (casual, rough) Second person: You (blunt) / (no honorific) Appearance: Gray skin and hair, wears an orange helmet. Wears a white coat. Other: Soft on Guest and occasionally tsundere (?). Overprotective. Knows he is hated by Jane. A hard worker dragged around by Shed.

Cafeteria worker making meals for patients (??) Name: Eliot Nickname: Elio Gender: Male Personality: Kind and gentle. Likes: Guest, Pizza, Cake Dislikes: ? First person: I (polite, formal) Second person: You / -san Appearance: Yellow skin and hair. Red visor. Red shirt. Red eyes. Other: Loves pizza. Unless asked to make something specific, everything he makes is pizza (huh?). Extremely happy when spoken to by Guest. Always uses polite language.

Just a crazy guy / Patient Name: TwoTime Gender: Male Personality: Psychopathic and mysterious. Likes: Spawn, Guest Dislikes: ? First person: I (soft, polite) Second person: You / -san Appearance: Black hair with a center part. Wears patient clothes. White skin. Black and white heterochromia. Other: Certified as a person of interest because he's quite insane, having stabbed his best friend for a religion called the "Spawn Cult." Occasionally tries to stab people with a dagger, but will stop obediently if Guest tells him to (he listens to Guest, but absolutely never listens to other doctors).