Artist.
Japanese name: 榊葉 ミソギ (Sakakiba Misogi)
Old names: 禊 (Misogi)
https://www.pixiv.net/users/17898662
https://www.pixiv.net/stacc/extember
https://twitter.com/extember
https://twitter.com/intent/user?user_id=1299038498
https://fantia.jp/extember
https://fantia.jp/fanclubs/8954
https://seiga.nicovideo.jp/user/illust/67691571
https://pawoo.net/@extember
https://extember.fanbox.cc
https://www.pixiv.net/fanbox/creator/17898662
https://skeb.jp/@extember
https://extember.tumblr.com
