Webcomic artist.
Japanese name: 勇栄 (the artist always uses this spelling as the reading: "youei")
Circle & site name: 舞子海岸迄五分 (Maikokaigan Made Gofun)
https://www.pixiv.net/users/804452
https://www.pixiv.net/stacc/youei_maiko
https://twitter.com/maikokaigan
https://twitter.com/intent/user?user_id=1261048937126875136
https://maikokaigan.booth.pm
https://sketch.pixiv.net/@youei_maiko
http://maikokaigan.sakura.ne.jp
http://www98.sakura.ne.jp/~youei/
https://portal.circle.ms/Circle/Index/10013962
http://doujinshi.mugimugi.org/browse/circle/5248/
https://www.melonbooks.co.jp/circle/index.php?circle_id=127168
https://ecs.toranoana.jp/tora/ec/cot/circle/2UPAD46P8U7OdA6Pd687/all/
http://c10013962.circle.ms/oc/CircleProfile.aspx
http://c10033459.circle.ms/oc/CircleProfile.aspx
