Kono Healer, Mendokusai

このヒーラー、めんどくさい

The story of the series follows Alvin, a knight with saint-like patience for annoying people, and Karla, a dark elf healer with a sharp tongue and a rotten personality who always speaks without thinking first. Together, they form a party and go on fantastical adventures. (Source: Crunchyroll)