I was invited to the otherworldly country as a warrior, but refused and decided to start as a soldier.

Totsuka Yukikazu is an ordinary high school boy with ordinary high school worries. His life is turned upside down when he and his class are transported to another universe. In this new universe Yukikazu's classmates are hailed as heroes, while Yukikazu is inspired to follow a different path: starting from the bottom as a lowly military recruit. Can he climb the ranks, survive life as a soldier, and find out the truth behind this mysterious summoning?