Ren Viotto, a Duke's son and heir to the throne of Viotto, embarks on a covert mission to document the foreign policies of 18 kingdoms. As he studies the countires across the continent, Ren uncovers the dark secrets and corrupt practices of these royal families. Armed with this knowledge, he plans to return to Viotto and use it to dismantle the aristocracy and establish a more just and equitable society. But can he navigate the treacherous world of diplomacy and espionage without being discovered?