Artist.
Japanese name: 白谷 こなか (Shiratani Konaka, the artist uses this spelling: "Shiratani Conaca")
Old name: 冬佳 知
Circle & site name: capriccia
https://www.pixiv.net/users/5330213
https://www.pixiv.net/stacc/huyukaaki
https://twitter.com/ShirataniConaca
https://twitter.com/intent/user?user_id=1964719110
https://sketch.pixiv.net/@huyukaaki
http://portal.circle.ms/Circle/Index/10243804