I Was Caught Watching a Tutorial to Put on a Condom and We Ended up Fucking My Stepsister-in-law Butt

I was in the guest room with my phone in my hand, watching a tutorial on how to put on a condom, when the door opened without knocking. It was my stepsister-in-law, my wife's stepsister, who had stayed to rest after the family dinner. He looked at me, looked at the screen, and a mischievous smile was drawn on his face.