While the negotiations by the Southern Court for the return of the Retired Emperors and Imperial princes was becoming difficult, it had been identified that Prince Iyahito, the prince of the Retired Emperor Kogon, were remaining in Kyoto without being abducted by the Southern Court.
南朝に対する上皇・親王返還交渉が難航する一方で、光厳上皇の皇子、弥仁王が南朝に拉致されず京都に留まっていることも判明していた。