Artist. Formerly tagged as aoi concerto or aoi kurenai.
Artist name: Aoi
https://www.pixiv.net/users/229243
https://www.pixiv.net/users/2199716
https://www.pixiv.net/stacc/aoi_concerto
https://www.pixiv.net/stacc/aoi_kurenai
https://twitter.com/aoi4274
https://twitter.com/intent/user?user_id=1908994447
https://seiga.nicovideo.jp/user/illust/606892
http://com.nicovideo.jp/community/co224305
http://www.nicovideo.jp/mylist/24227612
https://www.nicovideo.jp/user/606892
https://sketch.pixiv.net/@aoi_concerto
