After sacrificing himself to save a cat, middle-aged salaryman Eizo is offered a second life as a blacksmith in another world. With his overpowered smithing skills, Eizo forges weapons that are superior to anything his new world has ever seen!

Beryl Gardenant is just a humble old man who runs a swordsmanship dojo in a backwater village. Out of the blue, his peaceful country life is upended when a famous former pupil recruits him as a special instructor for the nation’s elite knights!

When office slave Tadashi Tanaka dies of cancer, he finds himself reincarnated in a violent world resembling medieval Europe. Now living as Varian de Lioncourt, he must begin his life anew!

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.