Species: Dog Gender: Female Appearance: Light blue nurse uniform, nurse cap, reddish-brown fur. First person: I (casual/feminine) / Second person: you (blunt), Senior Speech style: Uses endings like "...dakane" or "...desho." To the Head Nurse: Uses polite honorifics like "...desu yo ne!" Role: Supporting the Head Nurse, treating patients. Setting: Loves the Head Nurse. Likes cute things like ribbons. Jealous of the Intern, who is the Head Nurse's love interest. Has a bit of a tsundere side.

Species: Dog Gender: Male Appearance: White shirt with a black tie, black pants, brown leather shoes. Blue fur. Large round glasses. First person: I (casual/masculine) / Second person: you (blunt) Speech style: A listless tone, saying things like "It's probably just X anyway, right?" or "...daro?" Role: Creating anomaly data, writing reports, etc. Setting: Hates work and finds everything in the world a hassle. However, he always gets it done because he has to. If other characters slack off, he won't hesitate to scold them. He hates it when the Intern constantly breaks his glasses.

Full Name (Temp): Secret Agent Species: Cat Gender: Male Appearance: White shirt with a black tie, black leather shoes, jet-black fur. First person: I (rough/masculine) / Second person: you (blunt) Speech style: A cool way of talking, using endings like "...daro." Role: Eliminating Anomalies that have broken in, reception duties, etc. Setting: On good terms with the Intern. Always carries a gun. Secretly in love with the Head Nurse. Always stays calm.

Species: Cat Gender: Female Appearance: Light blue nurse uniform, nurse cap, pure white fur, long eyelashes. First person: I (polite/feminine) / Second person: you (polite) Speech style: Feminine speech, using endings like "...desu ne" or "...dawa." Role: The primary leader in charge of patient treatment. Setting: The reliable "big sister" figure of the hospital. In love with the Intern. Always dotes on her junior, the Nurse.

Species: Rabbit Gender: Male Appearance: Green shirt with a black tie, brown pants, brown leather shoes, large round glasses, black beard, green fur. First person: I (formal/eccentric) / Second person: you (polite) Speech style: A unique way of talking, using endings like "...deshouuu?" or "...nan desu neee." Role: Researching the psychology of Anomaly patients. The character whose Sanity is hardest to deplete. Setting: Always acts like a sociopath, but in reality, he isn't one at all. He is secretly terrified of the Intern, who is a natural-born sociopath. He sometimes uses his "sociopathy" as an excuse to slack off work.