Artist.
Artist name: c (pronounced as シィ, shii)
Circle & site name: ネタ絵置き場 (Neta-e Okiba)
https://www.pixiv.net/users/255690
https://www.pixiv.net/stacc/chopchopchop
https://twitter.com/c_neta
https://twitter.com/netaeokiba
https://twitter.com/intent/user?user_id=46652840
https://twitter.com/intent/user?user_id=1708650320
https://sketch.pixiv.net/@chopchopchop
https://www.tinami.com/creator/profile/9236
http://blog.livedoor.jp/c_blog_0701/
http://mixi.jp/show_profile.pl?id=24506196
http://twitpic.com/photos/c_neta