Artist. On her/his pixiv profile page, this artist wrote her/his opinion about re-uploading her/his images.

Japanese name: あんころ太郎 (Ankoro Tarou)
The other names: "ANC", あんころ (Ankoro), "168s", あんこ (Anko), しころ, しころね or 夕宮 ゆう (Yuumiya Yuu)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=6311865
• Niconico account: http://www.nicovideo.jp/user/19328153
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/19328153
• Twitter account (1): http://twitter.com/un_colors
• Twitter account (2) (unconfirmed): http://twitter.com/168s_ftn