Kiraware Ouji no Yarinaoshi: Henkyou de "Yami Mahou" wo Kiwamete, Saikyou no Kenzoku to Risou no Oukoku wo Tsukurimasu
The Hated Prince Starts His Life Over Again: In the Frontier, the Prince Mastered Dark Magic, After That, He Built the Ideal Kingdom and Strongest Clan.