What started as a playful strip mahjong session at a house party turned into something completely unexpected! We intended to rip off a beginner girl, but the moment she changed into a sexy costume as a penalty, Marina, who was supposed to be a complete novice, transformed into a "lucky slut"! She was hitting Kokushi Musou and Daisangen with every tile! Before we knew it, we guys were all bankrupt, and we were all kneeling naked... It wasn't about points or money anymore, it was all at Marina's command...