nanairo_kingyo
Artist, illustrator, animator.
Japanese name: 七色金魚 (Nanairo Kingyo)
The other name: なないろ (Nanairo)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=1454172
* Niconico account: http://www.nicovideo.jp/user/564431
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/564431
* Twitter account: http://twitter.com/nanairo_fish