IJAC 2nd Battalion

The IJAC 2nd Battalion, also known as the Kappu's Battalion, is the lower army battalion of Yamato Kappu that he can lead his 15 teammates of who were Imperial Imperial Soldiers that they were serving for Empire of Japan and are fighting at Kuomintang in China from Second Simo-Japanese War.

And could be before disbanded when Yamato Kappu's teammates died and arrived in Inkwell Isle