Suppose a Kid from the Last Dungeon Boonies Moved to a Starter Town(2017)

Tatoeba Last Dungeon Mae no Mura no Shounen ga Joban no Machi de Kurasu Youna Monogatari

Lloyd is a novice adventurer whose dream is to discover "true strength" in the capital he's always admired, despite growing up with neighbors who always considered him weak. The story starts with him departing from his hometown, which just so happens to be located right next to...one of the most dangerous dungeons in the world?! Lloyd may think of himself as powerless, but when he goes to the city that serves as the starter town for adventurers, the difference between him and everyone else couldn't be starker!

(Source: Yen Press)