Since then until the Disturbance of Bicchu, he gave good support from his home Nariwa to Motochika of the head family in Bicchu-Matsuyama, and was called the backbone of the Mimura family.
以後は備中兵乱に至るまで、成羽から本家である備中松山の元親をよく補佐し、三村家の屋台骨と評された。