At the time, Prince Oama advised Emperor Tenchi to designate the Empress as the next emperor and Prince Otomo as the crown prince, while telling that he would enter into priesthood.
このとき大海人皇子は、皇后を次の天皇にたて、大友皇子を皇太子にするよう進言し、あわせて自らの出家を申し出た。