kou_(ssdd)
Artist, illustrator.
Japanese name: コウ (Kou)
Circle name: SSDD
See also
* Pixiv account: http://www.pixiv.net/member.php?id=3274631
* Privatter account: http://privatter.net/u/koh_ONIGIRI
* Twitter account: http://twitter.com/koh_ONIGIRI
* Twitpic account: http://twitpic.com/photos/koh_ONIGIRI