After having the ceremonial investiture of the Crown Prince in February and March 1683, the first time in three hundred years since Imperial Prince Naohito (Emperor Suko's Crown Prince, deposed by the Northern Court) he became Crown Prince.
天和3年（1683年）2月に直仁親王（崇光天皇皇太子、南朝により廃される）以来300年ぶりの立太子礼を経て皇太子となる。