NTR, a shocking video of a wife and friend witnessed through the window

He has been married for five years with his wife Rinko and has been living together for a long time, so he has been together for 10 years. Nowadays, we have not been able to live in separate beds for more than a year. Our fun is to have a BBQ with Uchimura couple who live in the same apartment building. We both had sexless problems. During the BBQ, I said "exchange" and Uchimura came up with a couple that I exchanged, and they ended up exchanging couples for just one day. The couple started a exchange of people in order to incite each other's jealousy, but they never thought Rinko would be taken away...