Artist.
Japanese name: ๏ผ ้็ (@Yuuma, "@" is a part of her name)
The other name: ใใใ (Yuuzu)
https://www.pixiv.net/users/1329160
https://www.pixiv.net/stacc/yuzuru27
https://twitter.com/yu_ma127
https://twitter.com/intent/user?user_id=216865354
https://seiga.nicovideo.jp/user/illust/4914374
http://com.nicovideo.jp/community/co1551150
http://www.nicovideo.jp/mylist/38130827
https://www.nicovideo.jp/user/4914374
https://sketch.pixiv.net/@yuzuru27
http://piapro.jp/yu_ma127
http://twitcasting.tv/yu_ma127
http://www.twitcasting.tv/yu_ma127
http://twpf.jp/yu_ma127
http://theinterviews.jp/yu_ma127
http://p.twipple.jp/user/yu_ma127
http://twitpic.com/photos/yu_ma127
http://yfrog.com/user/yu_ma127/photos