Discovering my new stepmom's infidelity and enjoying her as my own slut

I was still reeling from the news that my stepmom had been cheating on my dad when I stumbled upon her in the guest room, her legs wide open, revealing a sight that was too tantalizing to resist. Her blonde hair cascaded over her shoulders, framing her face of pure ecstasy as she rode his throbbing member with wild abandon. It was a sight that would have made any man weak at the knees, and I was no exception.The sight of my stepmom, a curvy, chubby beauty with a big, natural ass and a pair of fat, luscious tits, enjoying another man's touch was too much for me to bear. I found myself joining in, my own hard cock finding its way between her plush pussy lips, lost in the moment as I fucked my stepmom, enjoying every second of it as if she was mine and not my father's. The homemade video captured every detail, from her round ass bouncing with each thrust to the sight of her big, fat pussy being pleasured by two men at once.