Artist. Formerly tagged as souga nanairo.
Japanese name: 七色 蒼牙 (Nanairo Souga) or 蒼牙 (Souga)
Circle & site name: Heaven's Isen
https://www.pixiv.net/users/169434
https://www.pixiv.net/stacc/souga_nanairo
https://twitter.com/souga_1025
https://twitter.com/intent/user?user_id=220382871
http://mixi.jp/show_profile.pl?id=22334488
http://souga.blog.ocn.ne.jp
http://souga.blog.ocn.ne.jp/heavens_isen/
http://souga.blog.ocn.ne.jp/photos/uncategorized/2009/02/07/photo_2.jpg
http://souga.blog.ocn.ne.jp/photos/uncategorized/2011/02/23/
http://pixiv.cc/hevensisen
https://twitter.com/souga_nanairo
http://twitpic.com/photos/souga_nanairo