Artist, illustrator.
Pen-name: ryuga
The other name: aguyr
Site names: "PICT A-SIDE" and "PICT B SIDE"
https://www.pixiv.net/users/158601
https://www.pixiv.net/users/12007816
https://www.pixiv.net/stacc/21111aguyr
https://www.pixiv.net/stacc/balius
https://twitter.com/ryuga11112
https://twitter.com/intent/user?user_id=1213082197625696256
https://ryuga11112.fanbox.cc
https://sketch.pixiv.net/@21111aguyr
https://sketch.pixiv.net/@balius
https://www.tinami.com/creator/profile/35184
https://21111aguyr.tumblr.com
https://ryuga11112.tumblr.com
http://pict000.web.fc2.com
https://twitter.com/intent/user?user_id=334564215
http://twitpic.com/photos/ryuga11112
