スラバヤ殿下

Spy Zolkov

Engineer at the Applied Atomic Energy Research Institute

Midori Miyama

Yuzo Tanigawa

Grandmother Okin

Japanese part-time student who prepares to interpret His Highness Surabaya's words

Applied Atomic Energy Research Institute Worker with a Tohoku Accent

Kyutaro Nagasogabe/Eiji Nagasogabe

Spy Joe

Nahoe Minegishi