He was later ordered by Shigeuji to suppress the northern Kazusa Province where the Uesugi clan had strong influence, and then entered the Toke-jo Castle in Kazusa Province in 1488.
後に成氏の命によって上杉氏の勢力の強い上総北部の平定を命じられて、長享2年（1488年）、上総土気城に入る。