Koyama was the subject of the long (1000 character) interview in the latest issue of Myojo - Sep 2011.
With many thanks to spilledmilk25 you can read his translated interview here.
Some old work'd done in summer last year :) [News Dj] SummerTime! Link
My new random work XD Happy Valentine's Day ♥ V-day short story♥
[NEWS Belated 10th Anni Collab] "Bittersweet Days" Manga Version (already have permission from author) Hi ♥, I…