Artist.

Japanese name: 西海 ユウタ (Nishiumi Yuuta)
The other names: ジェロニモン (Jeronimon) or N・Y

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=323303
* NicoNico Douga account: http://www.nicovideo.jp/user/6372224
* NicoNico Seiga images: http://seiga.nicovideo.jp/user/illust/6372224?target=illust_all 
* Twitter account: http://twitter.com/nisiumi_y
* Twitpic account: http://twitpic.com/photos/nisiumi_y
nishiumi yuuta