Emperor Suko wanted his son, Imperial Prince Yoshihito (Fushimi no miya I) to become Crown Prince, a problem arose as to who would become the successor of the Imperial throne when Emperor Gokogon approached the government in August 1370 to request that his son, Imperial Prince Ohito (Emperor Goenyu) become Crown Prince, in the end, Ohito became the Crown Prince.
崇光上皇は皇子の栄仁（よしひと）親王（伏見宮初代）の立太子を望み、1370年（応安3年/建徳元年）8月に後光厳天皇が自らの皇子である緒仁親王（後円融天皇）の立太子を幕府に申し出ると皇位継承問題が起こるが、緒仁への皇位継承が決定する。