Artist. Formerly tagged as yuika_(yurika712) or yurichi.

Japanese name: 竹乃 ここ (Takeno Coco or Takeno Koko)
Old name: 結華 (reading is given as Yuika)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1147941
• Main twitter account: http://twitter.com/cocotakeno
• Old twitter: http://twitter.com/yuika712
• Twitpic account (stopped): http://twitpic.com/photos/yuika712
• The Interviews account: http://theinterviews.jp/yuika712

Not sure this was her second account:

• Name: 竹乃 ここ (Takeno Koko)
• Pixiv account (deleted): http://www.pixiv.net/member.php?id=13615980