Artist.

Nickname: ながユー (Naga Yuu, the artist uses this spelling: "Naga U")
Circle name: ケモミミちゃん屋

See also

• Pixiv account: http://www.pixiv.net/member.php?id=2509595
• Privatter account: http://privatter.net/u/naga_u_
• Twitter account: http://twitter.com/naga_u_