Daisuke Satō the legendary author who wrote with the pen in one hand and he pe*is in the other sadly passed away at the age of 52 due to heart disease
may he rest in peace
source: http://goboiano.com/highschool-of-the-dead-author-passes-away-due-to-heart-disease/
http://www.crunchyroll.com/anime-news/2017/03/26/high-school-of-the-dead-manga-writer-passes-away-at-age-52
https://twitter.com/pKjd/status/845932139199680512