74-gou_(73-gou)
Artist. Formerly tagged as ripple733.
Pixiv nickname: 74号 (74-gou)
Twitter nickname: 73号 (73-gou)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=1164477
* Twitter account: http://twitter.com/rlalx73
* Twitpic account: http://twitpic.com/photos/rlalx73