Artist.
Japanese name: 流星 (Ryuusei, the artist uses this spelling: "Ryusei")
Circle name: Trickster (トリックスター)
Site name: Galaxias.
https://www.pixiv.net/users/10027845
https://www.pixiv.net/stacc/rtyusei_meteor
https://twitter.com/rakugakiryusei
https://twitter.com/ryusei_meteor00
https://twitter.com/intent/user?user_id=2359435543
https://twitter.com/intent/user?user_id=2841355076
https://tricksterryusei.booth.pm
https://seiga.nicovideo.jp/user/illust/38778095
https://www.nicovideo.jp/user/38778095
https://pawoo.net/@ryusei_meteor00
https://pawoo.net/web/accounts/448506
https://sketch.pixiv.net/@rtyusei_meteor
https://ryusei0912-blog.tumblr.com
https://ryusei0912.tumblr.com
http://portal.circle.ms/Circle/Index/10296207
http://webcatalog.circle.ms/Perma/Circle/10296207
