響く喘ぎ声！乱れ打つリーチ棒！伝説の人妻雀士・雪菜が悪名高き雀荘にやってきた。彼女は汚い常連客たちに脱衣麻雀を強いられ、ゲリラセックス、そして4PSEXをされながらも、最後は勝者になるべく女一人孤軍奮闘、麻雀で闘いを挑み続けるのであった…。

Resounding gasps! Riichi bar in disorder! Yukina, a legendary married mahjong player, comes to the infamous mahjong house. She asked to play undress mahjong by the dirty patrons, get fucked by guerrilla sex, and even get 4-plexed... but in the end, she is the lone woman fighting to be the winner, and she continues to challenge the battle with mahjong...