Artist.
Japanese name: おてふ (Otefu)
Old name: てふ (Tefu)
Circle name: てふ屋 (Tefuya or Tefu-ya)
https://www.pixiv.net/users/36923
https://www.pixiv.net/stacc/tef
https://twitter.com/otef
https://twitter.com/intent/user?user_id=17179574
http://otef.blog.fc2.com
http://c10011456.circle.ms/oc/CircleProfile.aspx
http://c10035602.circle.ms/oc/CircleProfile.aspx
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG13241.html
http://www.dlsite.com/eng/circle/profile/=/maker_id/RG13241.html
http://www.dlsite.com/home/circle/profile/=/maker_id/RG13241.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG13241.html
http://b.dlsite.net/RG13241/
http://otef.exblog.jp
http://p.twipple.jp/user/otef
http://twitpic.com/photos/otef