Artist.
Japanese name: 千替 千鶴 (Senka Chizuru) (reading is a best guess)
Circle name: 千書店 (Senshoten)
https://www.pixiv.net/users/8545496
https://www.pixiv.net/stacc/1000_chizuru
https://twitter.com/1000_Chizuru
https://twitter.com/intent/user?user_id=1612994948
https://sketch.pixiv.net/@1000_chizuru
http://c10267003.circle.ms/oc/CircleProfile.aspx
http://p.twipple.jp/user/1000_Chizuru
http://twitpic.com/photos/1000_Chizuru
