He talked his step sister out of her clothes so he could practice his artistic figure studies. She continued to pose in an "artistic way ", despite seeing that her brother had exposed his penis to her. It seems he was going commando all day and in the middle of their photo session and unzipped himself and pulled it out for her to see. it's hard and pointing right at her pussy.

Stretch

those tanlines accents her assets beautifully

Really nice tits

Very hot

Sexy Boobs !!! I wanna Suck them !!!