Mangaka, illustrator.
Japanese name: 龍炎 狼牙
Circle name: 龍企画
https://www.pixiv.net/users/204879
https://www.pixiv.net/stacc/ruen
https://twitter.com/RUENROUGA
https://twitter.com/intent/user?user_id=108669598
https://ryuukikaku.booth.pm
https://pawoo.net/@ruuenrouga
https://pawoo.net/web/accounts/168449
https://ruenrouga.fanbox.cc
https://sketch.pixiv.net/@ruen
https://skeb.jp/@RUENROUGA
http://ruenrouga.blog.fc2.com
http://mixi.jp/list_album.pl?id=73600
http://mixi.jp/show_friend.pl?id=73600
http://www.amazon.co.jp/龍炎-狼牙/e/B00J2L5Z4O/
http://portal.circle.ms/Circle/Index/10005076
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG08262.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG08262.html
http://b.dlsite.net/RG08262/
http://ja.wikipedia.org/wiki/龍炎狼牙
http://r18.mangaz.com/title/index?query=龍炎狼牙
http://p.twipple.jp/user/RUENROUGA
http://twitpic.com/photos/RUENROUGA
