Artist, illustrator.
Nickname: "yizumi," (reading is given as "いずみ.", Izumi)
Circle name: ネガティブギャング (Negative Gang)
Site name: 相討ちネガティブギャング
https://www.pixiv.net/users/2787019
https://www.pixiv.net/stacc/yizumipx
https://twitter.com/negativegang
https://twitter.com/intent/user?user_id=232548996
https://pawoo.net/@yizumipx
https://pawoo.net/web/accounts/187977
https://yizumi.fanbox.cc
https://sketch.pixiv.net/@yizumipx
http://ng18x3.blog.fc2.com
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG06566.html
http://b.dlsite.net/RG06566/
http://c10018632.circle.ms/oc/CircleProfile.aspx
http://c10052638.circle.ms/oc/CircleProfile.aspx
http://www.geocities.jp/negativegang/
http://negativegang.hp.infoseek.co.jp