Artist.
Japanese name: 竜人 (reading is given as たつひと, Tatsuhito)
Circle name: 竜元堂 (Ryuugen-dou)
Site name: in the info
https://www.pixiv.net/users/28919
https://www.pixiv.net/stacc/tatuhito
https://twitter.com/tatuhito
https://twitter.com/intent/user?user_id=16065100
https://sketch.pixiv.net/@tatuhito
http://mixi.jp/show_friend.pl?id=2595017
http://portal.circle.ms/Circle/Index/10025111
http://p.twipple.jp/user/tatuhito
http://twitpic.com/photos/tatuhito
