Toaru Chiisana Mura no Cheat na Kajiya-san

One day, Melia lost her life due to a mistake by God and was reborn in another world. As an apology, God gave her a 10-year-old body and the blacksmithing skills she had longed for. "It's too good to be able to do my favorite blacksmithing every day!" But in fact, her blacksmithing skills are super-cheap, and the people around her can't leave her alone.