Artist. Formerly tagged as saifi-ne.
Pen-name: 嫉妬 マスク (Shitto Mask)
Circle name: 嫉妬殿 (Shitto-den)
Site name: 嫉妬マスクの嫉妬殿,嫉妬殿
Old circle name: ネコニダイヤ
https://www.pixiv.net/users/446006
https://www.pixiv.net/stacc/saifi-ne
https://twitter.com/sittomasuku
https://twitter.com/intent/user?user_id=350041039
https://sittomasuku.booth.pm
https://seiga.nicovideo.jp/user/illust/749218
http://com.nicovideo.jp/community/co26197
http://dic.nicovideo.jp/id/3927879
https://www.nicovideo.jp/user/749218
https://nijie.info/members.php?id=263678
https://sittomasuku.fanbox.cc
https://www.pixiv.net/fanbox/creator/446006
https://sketch.pixiv.net/@saifi-ne
https://ask.fm/sittomasuku
http://sittonoutage147.blog.fc2.com
http://c10043515.circle.ms/oc/CircleProfile.aspx
http://c10237272.circle.ms/oc/CircleProfile.aspx
