Step brother instructs step sister on a new sexual position and she experiences an orgasm, pulling up her panties to reveal the evidence

Step brother teaches step sister new sex positions, and she eagerly follows. He expertly rubs her shaved pussy, eliciting screams of pleasure as he drives her to a real orgasm. The taboo family dynamic adds an extra layer of excitement, culminating in him cumming on her wet panties, which she provocatively pulls up, revealing her satisfaction.