The battle of Ankokuji was a rather minor battle that took place after the fall of Fukuyo, in which Tozawa Yorichika, an ally of Takato Yoritsugu had surrendered to the Takeda forces.
The battle of Ankokuji was a relatively insignificant engagement following the fall of Fukuyo, where Tozawa Yorichika, allied with Takato Yoritsugu, surrendered to the Takeda army.