My Quiet Blacksmith Life in Another World novel volume 3 was written by Tamamaru and illustrations by Kinta.

After mastering mithril sword repair, Eizo is looking forward to new experiences, new commissions, and new metals! A mysterious woman’s request for a custom katana excites him, but there’s one pesky problem: The client is a demon - and throughout history, demons have had a complicated and violent relationship with humans. Can Eizo’s conscience withstand forging a god-tier weapon for humanity’s former enemy? On other fronts, Eizo’s family gains a new member: an adorable drake! Unfortunately, aggressive monsters are launching coordinated attacks on the kingdom at the same time, so Eizo must join up with the military to protect everyone. Forging a demon sword, fighting hostile beasts, and supporting his growing household - can Eizo still manage to live the quiet life he wants?