However, in 1568 Katsuhisa AMAGO was backed up by Shikanosuke YAMANAKA, Hisatsuna TACHIHARA and others, who attempted the Amago clan's revival, to return to secular life and watched his opportunity in Oki Province.
しかし永禄11年（1568年）、尼子家の再興を図る山中鹿介・立原久綱らに擁立されて還俗し、隠岐国で機会を窺うこととなる。