Around 1521, according to a tradition, Naokage abandoned his territory as well as his Akechi-jo Castle to work under Soun HOJO with his 180 soldiers.
大永年間（1521年前後）、伝えによれは直景は自領・明知城を退去し、士卒180名を率いて北条早雲の配下に入ることになる。