After saving an injured cat, middle-aged, overworked programmer Eizo is rewarded with a quiet life as a blacksmith in another world. His newfound skills turn out to be god-tier, and the weapons he makes are strong enough to turn the tides of war.
After being summoned into another dimension as one of the five heroes destined to defeat a demon lord, Toya Hojo awakens his hero power only to discover that... it's an unlimited bath?