Artist. Likes Shingeki no Kyojin and Myoukou (Kantai Collection) and Kurosawa Dia.

Tends to post high resolution on Twitter and severely downscaled on Pixiv. For this particular artist, Twitter is usually a better source.

Japanese name: 河丘さちお (Kawaoka Sachio) (reading is a best guess)
The other names: 河丘 (Kawaoka), さちお (Sachio), 河丘 幸尾 (Kawaoka Sachio), 伝書鳩 (Denshobato) or 伝書鳩の河丘

See also

• http://www.pixiv.net/member.php?id=8954923
• Privatter account: http://privatter.net/u/sachikawao
• Twitter account (1): http://twitter.com/sachikawao
• Twitter account (2): http://twitter.com/akoawak
• Ask.fm account: http://ask.fm/sachikawao
• Old pxiv account: http://www.pixiv.net/member.php?id=4579314