I Discovered My Girlfriend’s Infidelity, but What Happened Next Broght the Three of Us Together (anal)

There are days that begin like any other and end by leaving you with questions you can’t get out of your head. That afternoon, I was playing video games with my best friend when my girlfriend came home. At first, I didn’t notice anything unusual, but then I began to sense that something was shifting. There were silences that lasted too long, glances that seemed to convey more than they should, and a tension whose source I couldn’t identify. The most unsettling part was that, while I thought I had everything under control, things were happening right in front of me that I couldn’t yet grasp. And when I finally discovered the truth, I realized that the afternoon had been far more than just a casual game between friends. But what exactly was going on while I wasn’t looking?