The new profession of the old man hero is... blacksmith! One day, the salaryman Heiji is suddenly summoned to another world as a "decorative hero" with no unique skills. After retiring from his job as the hero, he decided to start a blacksmith shop at the age of 40! The dragon girl Cruel and the white wolf girl Sue also join the forge, and they enjoy a happy slow life together. Meanwhile, in the royal palace, the quality of their newly produced weapons have decreased, now that Heiji is gone? An old man hero enjoys a second life, a heartwarming slow life story!