Koyama was back to his regular Wednesday for September 21. However, September 21 was the day Typhoon Roke caused havoc across central Japan.
As a result the whole of the news every broadcast, which started early, was devoted to updates from various locations as the country was thrown into chaos. Koyama appeared at his usual start time, but just joined the other newscasters at the main desk. He did feature in one segment where he ventured out into the Tokyo streets, but his involvement in the broadcast was minimal.
Unfortunately KeyHole was impossible that day, possibly due to the typhoon conditions, so we only have a few screen shots from this appearance.