http://www.pixiv.net/group/?id=1992
https://www.pixiv.net/users/1860190
https://www.pixiv.net/stacc/ball1000
https://twitter.com/borusen
https://twitter.com/intent/user?user_id=2757693524
https://borusen.booth.pm
https://fantia.jp/fanclubs/8038
https://pawoo.net/@borusen
https://pawoo.net/web/accounts/150704
https://borusen.fanbox.cc
https://sketch.pixiv.net/@ball1000
https://skeb.jp/@borusen
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG20915.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG20915.html
https://enty.jp/borusen
http://borusen.x.fc2.com
