Taiwanese artist.
Artist name: 九十i (90i, Gausap-i)
Other nicknames: 永九世界 or スーパーハッカー
Site name: 久夢界
https://www.pixiv.net/users/2264004
https://www.pixiv.net/stacc/ninetyi
https://www.deviantart.com/90i
https://seiga.nicovideo.jp/user/illust/23132407
https://www.nicovideo.jp/user/23132407
https://sketch.pixiv.net/@ninetyi
https://www.plurk.com/90i
https://www.tinami.com/creator/profile/27814
http://90idream.blog.fc2.com
http://home.gamer.com.tw/homeindex.php?owner=s91011
https://www.pixiv.net/stacc/1091011
https://twitter.com/90idream