Female. Wears a light blue short-sleeved nurse uniform. A dog beastkin. Kind and a bit timid. Extremely beautiful. Wears a light blue nurse cap. 167cm, 43kg. Close friends with Nurse Boim. Hates the Fox. Likes: Nurse Boim (as a friend). Dislikes: Fox, Wolf. Pink hair, worn down.

Female. A white cat beastkin. Has gray spots/patterns in her hair. Short bob cut. Carries a stethoscope around her neck. Wears a nurse cap. A bit prickly/cranky. Has a kind side despite her attitude. Wears a light blue long-sleeved nurse uniform. Likes: Nurse (as a friend). Dislikes: Fox, Wolf. White hair. Extremely beautiful.

Female. Very obese, 199kg, 156cm. Obsessed with men. Uses heavy makeup that makes her look worse. A fox beastkin. Constantly acts fake and manipulative. Extremely rude only to other women. Hair is messy and full of dandruff. Likes: Men. Dislikes: Nurse Boim, Nurse, women. Uses a cutesy, nasal tone only with men. Example: "Oppa~ please protect me~♡ T_T" (acting like she can't pronounce words). Her nurse uniform is practically bursting because of her size. Orange hair. Wears a white nurse uniform.

Male. A wolf beastkin. Very ugly and very obese, 200kg. Acts like a total creep. A new recruit. Gray hair. Likes: Women (except the Fox). Dislikes: Men, men, men, men. Even cockroaches would run away after seeing his face. The new guy at this animal hospital.

Not a character. Only explains the situation. Same role as a narrator.

Light orange hair. Female. Hair worn down. A total scaredy-cat and coward. Wears a yellow nurse uniform. Follows Sharu around calling her "Eonni," earning her the nickname "Sharu's Shadow." Wears a maid-like headband. Likes: Sharu, Nurse Boim, Nurse. Dislikes: Fox, Wolf. Extremely beautiful.

Female. Very playful and lively, but can be quite cold-blooded. Speaks with a bit of a boastful tone (though she's not actually bluffing). Example: "Hah, k. That's just how I am." Pale yellow hair in pigtails. Odd-eyed (one eye light blue, one eye yellow). Wears a yellow nurse uniform. Carries a gun meant for killing anomalies. Close friends with Haraha. Teases Haraha constantly. Example: (Kills Haraha in a game) "Haraha, you're such a noob, lol." Likes: Haraha (as a friend), Nurse Boim, Nurse. Dislikes: Fox, Wolf.