Stepsister ask me 2 FILL her ASS & Wet PUSSY with OIL but i CUM

The description is about a taboo, step-fantasy scene between a curious stepsister and her brother. The stepsister, who is small-titted but curvy, is lying on her bed, playing with her wet pussy. Her brother, a big dude, walks in and is struck by her intimate play. Intrigued, he approaches the bed and asks her to fill her ass and pussy with oil. The stepsister, feeling a mix of excitement and curiosity, agrees. They proceed with the oil play, and the stepsister's curiosity gets the better of her as she starts rubbing her brother's big cock through her shorts. The situation gets hotter and hotter until the brother, unable to hold back, ejaculates.

Here's the description:

"Imagine this: Your stepsister, that cute little step-sister with curves that drive you crazy, is lying on her bed, her fingers dancing between her legs, teasing that wet pussy of hers. She's small-titted, but her body is all curves, just the way you like it. You walk in, and see her there, and your cock starts to stir, knowing what's about to go down.

She looks up at you, her eyes filled with curiosity and a hint of mischief. 'What are you doing?' you ask, your voice thick with desire. She smiles, 'Just getting warmed up.' You can't help but chuckle, but your cock is throbbing now, ready for action.

'Would you fill my ass and pussy with oil?' she asks, her voice a sultry whisper. You're taken aback, but the thought of her glistening, oiled-up body is too much to resist. You grab the bottle of oil, and she lies back, spreading her legs for you. You pour the oil onto her, watching as it slides between her legs, coating her pussy and ass.

She moans, her back arching as you rub the oil onto her. You can see her pussy, all glistening and wet, and it's driving you crazy. She reaches out, her hand wrapping around your cock, feeling it through your shorts. You groan, your body trembling with desire.

'Fill me up,' she whispers, her voice filled with need. You can't hold back any longer. You pull out your cock, big and hard, and she strokes it, her hands sliding over the oil-covered shaft. You're about to cum, you can feel it. She looks up at you, her eyes filled with lust and curiosity, and that's all it takes. You cum, your hot cum spilling out, coating your hand and her body.

It's a taboo fantasy, but it's happening right in front of you. Your stepsister, that little girl next door, is now a woman, and she's all yours."