On July 31, the 3rd brigade, the 4th brigade, and the detached 3rd brigade bravely crossed the Oyodo-gawa River that was swollen by heavy rain and invaded the urban area of Miyazaki.
7月31日、第3旅団・第4旅団・別働第3旅団は大雨で水嵩の増した大淀川を一気に渡って宮崎市街へ攻め込んだ。