Artist. Formerly tagged as ryuu.
Japanese name: 竜 (Ryuu) or いさみ りゅう (Isami Ryuu)
Circle & site name: つきのゆき (tsukinoyuki or tsuki no yuki)
https://www.pixiv.net/users/612224
https://www.pixiv.net/stacc/astrsion
https://twitter.com/tsukinoyuki
https://twitter.com/intent/user?user_id=85304737
https://sketch.pixiv.net/@astrsion
http://tsukinoyuki.blog.fc2.com
http://mixi.jp/list_album.pl?id=12716242
http://mixi.jp/show_friend.pl?id=12716242
http://c10017234.circle.ms/oc/CircleProfile.aspx
http://c10051956.circle.ms/oc/CircleProfile.aspx
http://theinterviews.jp/tsukinoyuki
http://twitpic.com/photos/tsukinoyuki