だい日本 にっぽん帝国 ていこく陸軍 りくぐんじゃないです
dainipponteikokuri kugunjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 大日本帝国陸軍

1. It is not the Imperial Japanese Army.; I am not part of the Imperial Japanese Army.

Negative
Polite
Casual Register