Kanchigai no Atelier Meister: Eiyuu Party no Moto Zatsuyougakari ga, Jitsu wa Sentou Igai ga SSS Rank Datta to Iu Yoku Aru Hanashi

One day, Kurt, a kind-hearted boy, is suddenly kicked out of the Hero's Party for being "useless". He finds that his aptitude for weapons, magic, and all other combat-related skills is the lowest rank, so he takes odd-jobs repairing the castle walls ...