Classmate Wa Isekai De Yuusha Ni Natta Kedo, Ore Dake Gendai Nihon Ni Okizari Ni Narimashita

Classmate wa Isekai de Yuusha ni Natta kedo, Ore dake Gendai Nihon ni Okizari ni Narimashita : Congratulations! You 25 have been chosen as heroes to save the world!Just before summer vacation in their third year of middle school, the class is suddenly transported to another world