In July, Shimazu's army attacked Iwaya-jo Castle with more than 30,000 soldiers, they struggled against the resistance of Joun TAKAHASHI, and finally managed to capture it.
7月、3万以上の大軍で岩屋城を攻めた島津軍だったが、高橋紹運の抵抗によって攻めあぐねた末、なんとか攻略する。