Couple Swap NTR: Witnessing Wife's Shocking Affair with Her Friend from the Window - Minaho Ariga JUL-930

I've been married to my wife for many years, and including our cohabitation period, we've been together for 10 years, but we've been sleeping in separate beds for a year now. Around this time, the Uchimura couple, who live in the same apartment building, invited us to a barbecue. While drinking and chatting, I brought up the idea of swapping wives…