During the rule of Shogun Yoshimitsu ASHIKAGA and constable Yoriyuki HOSOKAWA, the Bukeshisso (coordinator for the Northern Court and the Ashikaga government) would intervene with Imperial Court matters, and when in 1370, Emperor Gokogon expressed his wish to abdicate the throne to his prince, Imperial Prince Ohito, retired Emperor Suko claimed that the ascension of his legal child, Imperial Prince Yoshihito was more appropriate and a conflict over Imperial succession occurs.
将軍足利義満、管領細川頼之時代には武家執奏による朝廷への口入がみられ、応安3年（1370年）に後光厳天皇が自らの皇子緒仁親王への譲位意思を表すると、崇光上皇は正嫡である実子栄仁親王の即位が妥当であると主張し、皇位継承問題が起こる。