Yu Hironaka: fru straffas för att vara beroende av fusk - del.1

Yu is infatuated with a young man with whom she is having an affair. Her husband, who finds her behavior, follows her and saw the whole affair. However, her husband's cock becomes erect. Despite of this, Yuu repeats the act at home. One day, while they are enjoying pillow talk after their affair, her husband fucks them from under the bed...