Artist. His profile says that he mostly uses MS Paint.
Japanese name: お紙 (おかみ, Okami)
Old names: 紙袋 (カミブクロ, Kamibukuro)
Circle name: 紙そうび
https://www.pixiv.net/users/25980
https://www.pixiv.net/stacc/kamibukuro
https://twitter.com/okamibukuro
https://twitter.com/intent/user?user_id=74483794
https://seiga.nicovideo.jp/user/illust/275484
https://com.nicovideo.jp/community/co347919
https://dic.nicovideo.jp/id/4264146
https://www.nicovideo.jp/user/275484
https://nijie.info/members.php?id=19784
https://pawoo.net/@okamibukuro
https://pawoo.net/web/accounts/192274
https://vzeip9e5.fanbox.cc
https://sketch.pixiv.net/@kamibukuro
https://skeb.jp/@okamibukuro
https://www.tinami.com/creator/profile/20148
http://kamibukuro727.blog.fc2.com
https://mixi.jp/show_friend.pl?id=7453851
https://photo.mixi.jp/home.pl?owner_id=7453851
https://www.stickam.jp/profile/okamibukuro
https://portal.circle.ms/Circle/Index/10264613
http://www.geocities.jp/kamibukuro727/
http://theinterviews.jp/okamibukuro
http://p.twipple.jp/user/okamibukuro
http://twitpic.com/photos/okamibukuro
https://blogs.yahoo.co.jp/kamibukuro727/