Artist.
Japanese name: 青桐 静 (あおぎり せい)
Circle: medicine chest
https://www.pixiv.net/users/39760
https://www.pixiv.net/stacc/kumachoco
https://twitter.com/kumachoco
https://twitter.com/intent/user?user_id=18862840
https://kumachoco.fanbox.cc
https://sketch.pixiv.net/@kumachoco
https://www.tinami.com/creator/profile/11546
http://mixi.jp/show_friend.pl?id=332885
http://c10001607.circle.ms/oc/CircleProfile.aspx
http://doujinshi.mugimugi.org/browse/author/12011/
http://kumachoco.blogspot.com
http://pixiv.cc/kumachoco
http://twitpic.com/photos/kumachoco
