Artist. Nanashino Kanon is her alias for copyright works. As mentioned in Nanashino Kanon's twitter profile:
とある絵描きのペルソナ 。
A certain artist's persona.
https://www.pixiv.net/users/23521732
https://www.pixiv.net/users/45756527
https://www.pixiv.net/stacc/harcana
https://www.pixiv.net/stacc/nanashino_k
https://twitter.com/H_arcana
https://twitter.com/haruka_natsuki
https://twitter.com/nanashino_k
https://twitter.com/intent/user?user_id=86620848
https://twitter.com/intent/user?user_id=2507434908
https://twitter.com/intent/user?user_id=830200797459734529
https://pawoo.net/@nanashino
https://pawoo.net/web/accounts/146974
https://sketch.pixiv.net/@nanashino_k
https://portal.circle.ms/Circle/Index/10389919
https://www.pixiv.net/users/258273
https://www.pixiv.net/users/10995628
https://www.pixiv.net/stacc/harukana_ev
https://twitter.com/nanashino_kanon
https://7theater.tumblr.com
https://odaibako.net/u/nanashino_kanon
http://twitpic.com/photos/haruka_natsuki