Mangaka and eroge artist.
Japanese name: 石恵
Circle: 偽MIDI泥の会
Probably better known by the circle name, Nise MIDI Doronokai.
https://twitter.com/ishi_kei
https://twitter.com/intent/user?user_id=106327956
https://fantia.jp/fanclubs/474709
https://skeb.jp/@ishi_kei
https://www.dlsite.com/maniax/circle/profile/=/maker_id/RG30297.html
http://doujinshi.mugimugi.org/browse/author/1430/Ishikei/
https://www.melonbooks.co.jp/circle/index.php?circle_id=18047
https://www.melonbooks.co.jp/search/search.php?mode=search&text_type=author&name=石恵
https://bsky.app/profile/ishikei.bsky.social
https://www.dmm.co.jp/dc/doujin/-/list/=/article=maker/id=72062/
http://twitpic.com/photos/ishi_kei
