Ossan Yuusha Wa Kajiya De Slow Life Hajimemashita

A former hero (40), in his second life... as a dragon girl and a blacksmith!? One day, the salaryman Heiji was suddenly summoned to another world as a "figurehead hero" with no unique skills. After retiring from his job as a hero, he decided to start working as a blacksmith at the age of 40. The dragon girl Cruel and the white wolf girl Suu also came to the blacksmith shop, and he enjoyed a happy slow life. Meanwhile, the quality of weapons produced at the royal palace began to decline without Heiji. From Google Translate