Artist.
Japanese name: 姫水 りる (Himemi Rilu or Himemi Riru)
Circle name: 姫水屋 (Himemi-ya)
https://seiga.nicovideo.jp/user/illust/7535351
https://dic.nicovideo.jp/id/4612989
https://dic.nicovideo.jp/u/7535351
https://www.nicovideo.jp/user/7535351
https://www.pixiv.net/users/1910476
https://www.pixiv.net/stacc/reeloo
https://twitter.com/himemirilu
https://twitter.com/riluhasu
https://com.nicovideo.jp/community/co158908
https://com.nicovideo.jp/community/co1375549
http://twitpic.com/photos/himemi_ya
http://twitpic.com/photos/re_rilu