Artist.
Japanese name: 流 ひょうご (Nagare Hyougo)
Circle & site name: 流石堂 (RYU-SEKI-DO or Ryuuseki-dou)
https://www.pixiv.net/users/700059
https://www.pixiv.net/stacc/nagare2009
https://twitter.com/ryusekido
https://twitter.com/intent/user?user_id=91277910
https://pawoo.net/@nagare2009
https://pawoo.net/web/accounts/184287
https://nagare-h.fanbox.cc
https://www.pixiv.net/fanbox/creator/700059
https://sketch.pixiv.net/@nagare2009
http://ryusekido.sakura.ne.jp/sblo_files/rsd-info/image/
http://ryusekido.sakura.ne.jp/sblo_files/ryuseki-do/image/
