>>5291
Easiest way is to just check some of the tags on the relevent artworks by ぼるせん (borusen):
www.pixiv.net/member_illust.php?id=1860190

I'll post some direct tag links if/once I am able to narrow it down to some tags that aren't too generic (read: things that wouldn't even be considered /d/ worthy let alone /f/ worthy)