Attackers (ADN-778) Wife swapping: The one I have the best physical chemistry with is my best friend's husband.

夫婦交換スワッピング カラダの相性がいいのは親友の夫。

Waka and Miyu, best friends since their student days, still maintain close relationships with their spouses. However,
Waka is struggling with infertility and growing increasingly dissatisfied with her sex life. – Jav.wine ADN-778