Artist.

Japanese name: ミフユキユオ (Mifuyu Kiyuo)
The other name: おゆし (Oyushi) or おゆC (Oyu-C)
Old name: 七四 or ７４

See also

• Pixiv account: http://www.pixiv.net/member.php?id=2239941
• Privatter account: http://privatter.net/u/oyuc_
• Twitter account: http://twitter.com/oyuc_