Artist.
Japanese name: にわ子 (Niwako), にわ, 庭子 or にわとり
https://www.pixiv.net/users/1921614
https://www.pixiv.net/stacc/kurotakari
https://twitter.com/niwa0mag
https://twitter.com/intent/user?user_id=826104373
https://sketch.pixiv.net/@kurotakari
https://niwa0mag.tumblr.com
http://twitpic.com/photos/niwa0mag