Ossan Yuusha wa Kajiya de Slow Life Hajimemashita

This middle-aged hero's new profession is... a blacksmith! One day, Heiji, an office worker, is suddenly summoned to another world as a "figurehead hero" with no unique skills. After retiring from his job as a fake hero, he starts working as a blacksmith at the age of 40! The dragon girl Cruel and the white-wolf girl Suu also come to the smithy, and they enjoy a peaceful, happy slow life together. Meanwhile, in the royal palace, the quality of weapons begins to decline in Heiji's absence...