A missing artist.

Japanese name: のりたま (Noritama)
The other name: 中澤 (Nakazawa)
Circle name: ヒマヤマ (Himayama)

See also

• Pixiv account (deleted): http://www.pixiv.net/member.php?id=1135328
• Twitter account (deleted): http://twitter.com/_nak888
• The Doujinshi & Manga Lexicon: http://www.doujinshi.org/browse/circle/36518/