Artist. Formerly tagged as hanarain.
Japanese name: 更科 花雨 (reading is given as Sarashina Kau)
The other names: 花雨 (Kau) or 刹那 (Setsuna)
Circle & site name: 月の記憶
https://www.pixiv.net/users/2017370
https://www.pixiv.net/stacc/hanarain
https://twitter.com/_hanarain
https://twitter.com/intent/user?user_id=425506792
https://sketch.pixiv.net/@hanarain
http://twitpic.com/photos/_hanarain