But in the second month of 1571, the Isono clan surrendered, and Nagahide NIWA, a vassal of the Oda clan, occupied the castle, taking the place of the Asai clan, controlling Inukami County Omi Province as well as Wakasa Province from there.
しかし1571年（元亀2年）2月に磯野は降伏し、代わって織田氏配下の丹羽長秀が入城し、近江国犬上郡および若狭国支配の拠点とした。