They are not looking for pornography. They are looking for cautionary tales . They want to read about the worst-case scenario to validate their fear of swinging. The "Top" lists serve as a psychological handbrake.
What begins as a shared trip leads to Reiji being seduced by his friend's wife (Asuka), while his own wife (Kanade) starts a passionate affair with Kousuke. fuufu koukan modorenai yoru married couple s top
The search engine data suggests a specific demographic: They are not looking for pornography