Sword Of The Demon Hunter: Kijin Gentosho (Light Novel) Vol 10

A POWER FROM THE PASTWith his allies by his side, Jinya manages to bring an end to Nagumo Eizen’s schemes. But while the lives of those dear to him are safe, the demonic sword he sought, Demon Wail, is taken by Yonabari amid the chaos. Yonabari is secretly after a power hidden in the blade—a power with deep ties to Jinya’s memory of Kadono… Is the sword lost to Jinya forever? And as the sun sets on the Taisho era, can Jinya hold those dear to him close despite the march of time? Airship
(W) Motoo Nakanishi