Tearing Up to share the secret

My stepsister always ambles around the building and tans bare when the parents aren't home and this time I determined to film her butt to showcase my mates at the gym. When she caught me spying on her I attempted to make it view like an accident, but my hardon downright gave me away. I thought she'd tell on me, but she preferred to just penetrate me and share the secret. If only I knew my stepsis was such a fuckslut with a trouser snake-thirsty throat and a cock-squeezing cunny! Now I know!