In the Kenmu Restoration period led by the Emperor Godaigo, Mutsu Province was also designated as Shinno-ningoku for a while and Imperial Prince Norinaga actually went to Mutsu Province as the Taishu of Mutsu Province.
時代が下り、後醍醐天皇の建武の新政期には、一時期陸奥国も親王任国とされ、義良親王が陸奥国太守として実際に陸奥国へ赴任した。