Isekai no Senshi Toshite Kuni ni Manekareta Kedo, Kotowatte Heishi Kara Hajimeru Koto ni Shita
異世界の戦士として国に招かれたけど、断って兵士から始める事にした
Totsuka Yukikazu and his classmates were unexpectedly summoned to a different world during a school break. Presented with the option of becoming a warrior to serve the kingdom or choosing personal freedom, he was influenced by a voice in his mind urging him to reject a life in the castle. He opted for the path of an adventurer, though he must first complete two years of required military service.