Artist.

Artist name: よよよよう (Yoyoyoyou or 4444u)
Other names: よよよようし or 旧よよよよう
Circle & site name: キリモチテクスチャ

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1839860
• Twitter account: http://twitter.com/4444u
• Twitpic account: http://twitpic.com/photos/4444u
• Home page(closed): http://haruka.saiin.net/~kiri-phan/r18/
• Old pixiv account(deleted): http://www.pixiv.net/member.php?id=13284