This Guy Became The Worst Hero
anime name: The Rising of the Shield Hero / Tate no Yūsha no Nariagari
Naofumi Iwatani, a Japanese college student who is transported to a fantasy world and chosen as one of four heroes to save it from monsters and calamity. The other heroes are armed with swords, spears, and bows, but Naofumi is the Shield Hero, which is considered the weakest role.