Further, on May 26, 752, when Kyofuku KUDARANOKONIKISHI was appointed to be Hitachi no Kami (the governor of Hitachi Province), Matanari was appointed to become Mutsu no Kami in order to take over his place.
さらに天平勝宝4年（752年）5月26日、百済王敬福が常陸守に任ぜられるとその後任として陸奥守に任ぜられた。