Artist.
Japanese name: なななな (Nananana)
https://www.pixiv.net/users/1429975
https://www.pixiv.net/stacc/raven04max
https://twitter.com/nanananightmare
https://twitter.com/intent/user?user_id=3646950138
https://seiga.nicovideo.jp/user/illust/88170
https://www.nicovideo.jp/user/88170
https://sketch.pixiv.net/@raven04max
http://privatter.net/u/nanananightmare
http://p.twipple.jp/user/nanananightmare
