Artist. Recognizable by the signature "F.S".
Name: 藤忍 (Fuji Shinobu)
Circle: Studio ImPlant
https://www.pixiv.net/users/154129
https://www.pixiv.net/stacc/drawingfactor
https://twitter.com/FujiShinobu
https://twitter.com/intent/user?user_id=405528197
https://nijie.info/members.php?id=15453
https://pawoo.net/@FujiShinobu
https://pawoo.net/web/accounts/27906
https://fujishinobu.fanbox.cc
https://sketch.pixiv.net/@drawingfactor
https://skeb.jp/@FujiShinobu
http://maniax.dlsite.com/circle/profile/=/maker_id/RG02154.html
http://doujinshi.mugimugi.org/browse/author/5863/Fuji-Shinobu/
