alpha_(katz332)
Artist.
Nickname: alpha
The other name: alphalpha
See also
* Pixiv: http://www.pixiv.net/member.php?id=1014874
* Niconico account: http://www.nicovideo.jp/user/1425157
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/1425157