Artist. Apparently he has another pen-name and circle, but does not want the relation between two names to become public.

Nickname: ysmmzr
The other name: やしま (Yashima)
Circle name: MEGADEATH

See also

• Blog: http://ysmblg.blogspot.com/
• Tumblr gallery: http://ysmmzr.tumblr.com/
• Drawr account: http://drawr.net/kurashige
• Pixiv account: http://www.pixiv.net/member.php?id=399426
• Twitter account: http://twitter.com/ysmmzr
• Twitpic account: http://twitpic.com/photos/ysmmzr