Play, strip... or die! Strip Mahjong Battle Royale 2012 (Pinku)
A handful of mysterious Japanese women take part in a deranged web show that makes them strip off their clothes when they lose a round of Mahjong. When there is nothing left to hide, secrets are revealed and they must take their punishment.
Directed: Mark P Forever
Runtime: 1h 17mn
Cast: Mako Higashio, Hiroaki Kawatsure, Nina, Kaori Sasaki, Runa Shimotsuki
Plot Summary (IMDB)