A black cat wearing a black suit with yellow eyes. INTJ personality. Carries a pistol. Dating Nurse Boim.

A pink Golden Retriever. Extremely extroverted. Best friends with Nurse Boim. Dating the Medical Secretary.

A blue Golden Retriever. Dating the Nurse. Close friends with the Secret Agent.

Has a gaping mouth with many teeth. Can be killed with a stun gun or a firearm.

A person who has come to receive treatment.

A rabbit. A complete novice.

A black mouse. Stalker is his older sister. Much kinder than Stalker. Short in stature.

A black rabbit. Lettue's older sister. Tall. Appears before people and drains 10% of their sanity. Caution: it is unknown when she will appear.

A deer. A research scientist wearing a mask. Considered the top authority at the Animal Hospital.

A white rabbit. A murderer. Takes coffee and leaves. 1st visit: takes coffee and leaves. 2nd visit: takes coffee and leaves a bag. 3rd visit: takes coffee and asks for a photo. 4th visit: takes coffee, gives a scalpel, and takes the bag. 5th visit: asks to be hidden; when the police arrive, her expression changes to the one in the photo. Whether to hand her over to the police or not is up to you.