In 1568, taking advantage of an internal conflict of Wakasa no kuni Shugo (Provincial Constable of Wakasa Province) who was of the Takeda clan, he placed Motoaki TAKEDA under house arrest in Ichijodani in Echizen Province under the pretense of protecting him, and he also had Wakasa Province under control.
永禄11年（1568年）、若狭国守護・武田氏の内紛に乗じて介入し、当主である武田元明を保護という名目で越前一乗谷に軟禁し、若狭も支配下に置いた。