My fetish is watching my wife, Kanna, having sex with someone else. But I can't stand the thought of another man taking her, so I asked Sarina, my lesbian friend from college, to sleep with her. At first, Kanna was hesitant, but gradually she succumbed to pleasure, climaxing in ways I'd never seen before. Watching her like this aroused me intensely. However, Kanna began to change—she started meeting Sarina behind my back, ignoring my words more and more. Soon, their relationship took a dangerous turn...