I stumble upon my stepmom lounging with her rear exposed on the couch in the lounge, then proceed to leave my stepson's rear unguarded, leading to intense anal pleasure

I stumbled upon my stepmom chilling on the couch with her ass wide open, and my desire for her grew uncontrollable. Ignoring my stepson\'s warnings, I let my primal urge take over, plunging into her inviting folds until I filled her with my release, leaving no evidence behind.