In the last days of his administration, he tried to preserve his territory by moving Fuchu (provincial cities which consist of local governments as the core of the city) to Shinpu-jo Castle, but he failed because of Nobunaga ODA's invasion (subjugation of Takeda).
政権末期には本国で新府城への府中移転により領国維持をはかるが、織田信長の侵攻（武田征伐）により失敗。