Artist.
Artist names: 沙田 (Sada) or kitri
Pixiv ID: sadanoriko (Currently never used as a name on the web)
Circle & site name: DELI-TRE
https://www.pixiv.net/users/217069
https://www.pixiv.net/stacc/sadanoriko
https://twitter.com/kitri
https://twitter.com/intent/user?user_id=16706729
https://sketch.pixiv.net/@sadanoriko
http://delitre.blog.fc2.com
http://twitpic.com/photos/kitri