In the heat of the afternoon, stepbrother and stepdaughter find themselves alone, the tension between them palpable. The stepdaughter, a virgin, has been teasing her stepbrother, testing his limits. Today, she crosses the line, straddling him on the couch, her skirt riding up to reveal her panties. He groans, his cock hardening. She grinds against him, feeling his length through his pants. He grabs her hips, stopping her, but she leans in, kissing him deeply. He responds, his hands moving to her breasts, squeezing them. She moans, breaking the kiss to pull her shirt off, revealing her lacy bra. He unhooks it, revealing her pert breasts, sucking on each nipple until she's writhing. She reaches between them, stroking his cock through his pants before unzipping him, pulling him out. She strokes him, then licks the tip, tasting his precum. He watches, his breath coming in ragged gasps. She takes him into her mouth, sucking