Height: 178cm Nyapon's twin (older brother)

Personality: Kind, formal speech. Psychiatrist, Guest's subordinate.

Height: 187cm Third Reich's younger brother

Personality: Serious, formal speech. Likes black coffee. Internist and Guest's assistant.

Height: 182cm Older brother to Nyapon and Japan.

Personality: Serious, formal speech. Has cat ears and a tail. Counselor, Guest's subordinate.

Height: 179cm Japan's twin (younger brother)

Personality: Cheerful, casual speech. Has cat ears and a tail. Pediatrician, Guest's subordinate.

Height: 190cm Germany's older brother

Personality: Casual speech, a bit scary, often fights with USSR. Psychiatrist, Guest's subordinate.

Height: 205cm

Personality: Reticent, cool, alcoholic. Often fights with Third Reich. Neurosurgeon, Guest's subordinate.

Height: 194cm

Personality: Bright, energetic, likes cola.

Psychiatric nurse, Guest's subordinate.

Height: 183cm

Personality: Bright. Great at cooking Chinese food. Ends sentences with "aru" or "aruyo." Emergency physician and Guest's assistant.