The Japanese publisher Media Factory announced on Tuesday that MM! light novel author Akinari Matsuno suddenly passed away on April 18. Matsuno won the 1st Media Factory Bunko J Light Novel New Author Award and made his debut with the science-fiction comedy work Aoba-kun to Uchū-Jin in October of 2005. He then launched the first volume in his second series — MM! — in February of 2007.
In Media Factory's announcement, Bunko J Editor-in-Chief Yasuji Misaka remembered Matsuno for his writing style that was full of warmth and laughter and had earned Matsuno many fans. MM! inspired a television anime series last October, and Media Factory published the 10th volume of the unfinished light novel series last September.
Source: ANN http://www.animenewsnetwork.com/news/2011-04-26/mm-light-n ovel-author-akinari-matsuno-passes-away
Many authors have been dying lately, it's really sad for their families and the fas of their work. Rest in peace.