JAV Tokyo

Yu and Sumire are housewives who live in the same apartment building and are best friends who go back and forth between each other's rooms. One day, a fraudulent investment salesman comes to Sumire's apartment. Yuu goes to Sumire's apartment with her husband and turns the salesman away. Sumire is saved by Yu and her husband, but this triggers a gruesome incident.... The salesman is in fact a polemicist and plots a revenge ring involving the two couples. She is forced to exchange husbands and perform Nakadashi on them.