[ADN-778] Husband and wife swapping The best friend's husband has a good body compatibility.

Waka and Miyu, who have been best friends since their school days, were still dating as a couple. However, Waka was struggling to get pregnant and gradually became dissatisfied with her sex life. Meanwhile, Miyu's "AI compatibility diagnosis" triggers the four of them jokingly deciding to try a 'couple swap'. They were supposed to just watch each other's situation through the camera, but when Waka was raped by Miyu's husband, their hidden propensities were exposed, and they went crazy...