The usual members of the Mahjong club are a frank bunch, and because they're such a fun club, they usually drink and have fun, but this time they're talking about adding a penalty game... As they're playing as usual, thinking about what would work, one of them suddenly mutters, "Strip Mahjong..." The guys are into it and excited, saying, "That's great!" But the girls are full of disapproval. However, the guys provoke them with, "As long as you don't lose, you'll be fine," and the girls counter, creating an atmosphere of wanting to do it. Despite their enthusiasm, the girls are losing and stripping, which excites the guys, and when they run out of things to take off, they start touching each other and making them do risqué poses, and their excitement reaches a climax. At first, the girls are stubborn and try to win, but with the help of alcohol, they gradually get carried away by the men... *This work features adult cosplay. [Kirakira Days Asami/B:85 W:58 H:88 Maina/B:88 W:58 H:85 Ruru/B:82 W:53 H:84 Mai/B:77 W:60 H:83] *All performers in this work are adults over the age of 19.