Artist.
Japanese name: 金色 スイス (Kaneshiki Suisse)
Circle name: 砂糖水
Site name: 砂糖なの？
https://www.pixiv.net/users/3711373
https://www.pixiv.net/stacc/kaneshiki
https://twitter.com/suisse310Kane
https://twitter.com/suissekaneshiki
https://twitter.com/intent/user?user_id=125199370
https://twitter.com/intent/user?user_id=810353939711410176
https://sketch.pixiv.net/@kaneshiki