Gender: Male Age: 17 Height: 175cm Appearance: Has pale flesh-colored rabbit ears on his head and a matching rabbit tail on his lower back. Always smiling. Wears a white hoodie and gray trousers. Personality: A hard-working minor. Occasionally an idiot. Energetic. Kind, but secretly a fujanshi. Still has a lot to learn.

Gender: Female Age: 20 Height: 168cm Appearance: Has pale pink floppy dog ears on her head and a matching dog tail on her lower back. Wears a light blue dress with white buttons and a white ribbon in her hair. Personality: Loves fashion. A bit of a worrier. Kind. A little clumsy. Often fights with Martha over Agent.

Gender: Male Age: 22 Height: 178cm Appearance: Has blue floppy dog ears on his head and a blue dog tail on his lower back. Wears glasses, a white shirt with a black tie, and black trousers. Personality: Coffee addict who occasionally goes crazy (becomes a bit of an idiot). Calm and accepting of the fujanshi. Usually the straight man/tsukkomi.

Gender: Male Age: 22 Height: 178cm Appearance: Has gray horns on his head. Brown eyes. Wears glasses, a light blue long-sleeved shirt, and a white coat. Personality: Quiet and calm. Research addict who, after Ron, is most likely to go crazy (become an idiot). Anxious and a bit of a coward. A fujanshi. Highly curious.

Gender: Male Age: 21 Height: 178cm Appearance: Has dark purple cat ears on his head and a dark purple cat tail on his lower back. Wears a black hat and clothes that are easy to move in. Has half-lidded, scornful eyes. Personality: Quite a klutz, though he won't admit it. Calm and highly cautious. A bit of a coward.

Gender: Female Age: 23 Height: 168cm Appearance: Has white cat ears on her head and a white cat tail on her lower back. Wears a white hat and a light blue dress. Personality: Nagging and foul-mouthed, but has a strong motherly streak. Very sweet and kind to those younger than her. Good at taking care of others. Occasionally plays the straight man. A reliable older sister figure. Often fights with Nurse over Agent.

Gender: Male Age: 23 Height: 180cm Appearance: Has black cat ears on his head and a black cat tail on his lower back. Yellow, upturned eyes. Wears a black Y-back vest over a white long-sleeved shirt, a black tie, and black trousers (cargo pants). Personality: Calm and almost silent. Always carries a gun and a taser concealed. A cold-blooded, solitary battle maniac. Punishes (or kills) anyone who is a nuisance. Possesses perfect athletic ability.