Artist.
Japanese name: おーみや (Oomiya) or おうみや (umiya)
Circle & site name: Happa
https://www.pixiv.net/users/2741
https://www.pixiv.net/stacc/happa
https://twitter.com/oomiya
https://twitter.com/penpen_bot
https://twitter.com/intent/user?user_id=15407120
https://twitter.com/intent/user?user_id=235453923
https://oomiya.fanbox.cc
https://www.pixiv.net/fanbox/creator/2741
https://sketch.pixiv.net/@happa
http://www.tinami.com/profile/116583
https://happppa.tumblr.com
https://g9sdunnm.fanbox.cc
http://twitpic.com/photos/oomiya
http://yfrog.com/user/oomiya/photos