Several years have passed since I won the heart of Yumi, the female boss I had always admired, and began my dream marriage. To save money on mahjong parlors, my coworkers come to our home every Saturday after work, where we drink, eat Yumi's cooking, and play. One night, an emergency at the office forces me to leave in the middle of the game, so I ask Yumi to take my place. While I am gone, my drunken coworkers turn the match into strip mahjong, and their rowdy fun escalates...