Βάζω δάχτυλο στο μουνί της ετεροθαλούς αδερφής μου όταν μένουμε μόνοι στο σπίτι

I was in my room watching TV when my stepsister gets into my bed, after a while she spreads her legs and I can't help but look at her pussy, I can't resist and I put it all in her pussy