Canaan no Shiro ~Boukoku no Oujo to Sekai no Hihou, Sore o Meguru Saikyou Touzokudan to Haken Kokka no Daikatsugeki~

In an era where the Eisen Empire has seized power, having eradicated the world of swords and magic with guns and cannons, three thieves defy the Empire's heavy-handed actions. Claude, the leader; Murakumo, the knight; and Yuri, the wizard. All three are hated by the Empire, and they live their lives to the fullest, planning to steal another treasure from the empire—but they end up kidnapping Princess Emma of a fallen country!? A thrilling fantasy where three people, one person, and one animal turn the world upside down!