It happened that the government of Bokkai was preparing to send the envoys to Japan to announce the enthronement of the new emperor, and suggested Hironari to wait for the Japanese envoys to come; however, Hironari insisted on returning to Japan as soon as possible.
渤海では新王の即位を知らせるために日本に使者を派遣する準備を進めているところであり、広成には日本の使者が迎えに来るまで待てばどうかと勧めたが、広成はすぐにも帰国したいと申し出た。