Zettai ni Damage wo Ukenai Skill wo Moratta node, Boukensha to shite Musou Shitemiru

The story centers on Haruto, a normal villager who has no confidence in himself, but who is one day visited by a goddess and granted a skill that allows him to take no damage. In a certain village, he meets the adventuring twin sisters Lilith and Alice, who change his life in a major way, as he travels down his path as an adventurer unrivaled by neither man nor beast.

(Source: Anime News Network)