Yumi is the head of a small town's neighborhood association. Her husband is the head of a prominent family in the town, and he was supposed to be the head of the neighborhood association, but he declined due to his busy schedule, and the position was forced on Yumi... Still, out of a sense of responsibility, she led the neighborhood and lived as a respectable head of the neighborhood. One day, she became frustrated that her husband would not have sex with her at night, and she started having physical relationships with the men in the neighborhood. This was the beginning of her lewd days...