Synopsis

A man interrupts a shady book sale, revealing himself as Archduke Ethan, a figure associated with a family betrayed by the pro-wyvern books. He questions the sellers about the books' origins and learns about another organization involved. He swiftly moves to eliminate those involved in the sale of the books after learning of its connection to his family and a dark history. He sets his sights on Viscount Dekun's land, where he expects to find the source.