Artist. Formerly tagged as Chemical_Dragon.

Japanese name & circle name: すぎはら (Sugihara)
The other name: Ryota-Umehara
Old names: Ryota-Sugihara or Chemical Dragon

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1475955
• Nijie account: http://nijie.info/members.php?id=744494
• Pixiv sketch account: http://sketch.pixiv.net/@sugihara2000
• DeviantArt account: http://ryota-umehara.deviantart.com/
• Niconico account: http://www.nicovideo.jp/user/25391066
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/25391066?target=illust_all
• Fantia account: http://fantia.jp/fanclubs/2134
• Twitter account: https://twitter.com/sugihara3103
• Tumblr account: https://sugihara2000.tumblr.com
• Pawoo account: http://pawoo.net/@sugihara2000
• Instagram account: http://www.instagram.com/sugihara3103/
• Booth web store: http://sugihara2000.booth.pm/
• Digital distribution site: DLSite.com / DMM.R18
• Enty account (deleted): http://enty.jp/rgCouOXemsqb
• Old website (dead): http://ryotasatomi.thebase.in/