Japanese artist. Indicated in her DeviantArt that she's currently staying in the US.
Name: まちこ
DeviantArt nickname: Matyinging
Site: Beard
https://www.pixiv.net/users/94536
https://www.pixiv.net/stacc/maty
https://twitter.com/machiko_ex
https://twitter.com/intent/user?user_id=124999533
https://www.deviantart.com/matyinging
http://mtunk.blog.fc2.com
http://obeardo.web.fc2.com
http://www.doujinshi.org/browse/author/93262/
http://www.geocities.jp/matyinging/index.html
http://p.twipple.jp/user/machiko_ex
http://twitpic.com/photos/machiko_ex
http://yfrog.com/user/machiko_ex/photos
