no idea, it's just plain disgusting IMHO.
for whoever cares checking this shit ass game, literally, https://www.dlsite.com/maniax/work/=/product_id/RJ01394161.html
Every now and then random fetishes will quickly gain popularity and then quickly die back down. JP especially just follow random fetish "fads" before going back to the usually ones.
Comments - 5
Etar
orensan
SingLove
molitar
ragetrain