raayu_(0u_rayu)
Artist. Formerly tagged as ra-yu.
Japanese name: らー湯 (Raayu)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=18012631
* Pixiv sketch account: http://sketch.pixiv.net/@0u_rayu
* Twitter account: http://twitter.com/_0u__
* Pawoo account: http://pawoo.net/@0u_rayu