Houfuku no Ansatsu Ningyou (Assassin Doll)

Ryot is a 62-year-old retired veteran. Once hailed as a legendary "Hero," he vanished at the end of the war to live out his twilight years in a remote village with his beloved grandchild. But Ryot holds a dangerous secret: he is a master artificer whose creations are forbidden "Mythic Items," capabl…