A couple who loves swapping acts as the instigator, approaching a regular couple staying at an onsen. The targets let their guard down because the instigators are also a couple and are lured into a room with hidden cameras under the pretext of drinking in the room! After some drinks and getting tipsy, they eagerly engage in erotic talk. While casually touching each other's bodies to gauge reactions, they quickly escalate things into swapping! After all, it's just men and women! Pussy and dick! Once the switch is flipped, there's no stopping!
