The Royal Army was a Senshi military force that was loyal to Emperor Shigeru, and by extent, Nihon-Ja. The Army
Samurai 1

A Senshi (samurai) warrior.

was mainly stationed in the capital city of Ito. When the warlord Arisaka took over the city, only forty Senshi of the army survived, and joined Shigeru. They fought in the Ran-Koshi battle against Arisaka's men. One notable member was an officer named Miko.