Japanese name: 滝島朝香. Name reading is best guess, but the artist did confirm part of the name is アサカ (Asaka) in twitter account.
Circle: +legacy
https://www.pixiv.net/users/31069
https://www.pixiv.net/stacc/ask_x
https://x.com/ask_x
https://x.com/i/user/15451443
https://sketch.pixiv.net/@ask_x
https://skeb.jp/@ask_x
https://ask-iroiro.tumblr.com
https://poipiku.com/17644/
https://wavebox.me/wave/8ktggdaafdm5z1p9/
http://img.ly/images/ask_x
http://twitpic.com/photos/ask_x