I Was Invited To Join The Country As An Otherworldly Warrior, But I Refused And Decided To Start As A Soldier

I Was Invited to Join the Country as an Otherworldly Warrior, but I Refused and Decided to Start as a Soldier : Totsuka Yukikazu was a student in the peaceful Japan, when suddenly during class break, he and his classmates were caught up in a summoning to another world. In the oth