Anal Sex Exploration

“If you leave your tooth under your pillow and it’s gone in the morning, it can’t have been Mom.”
“I guess that makes sense.” She is not easily convinced. You need to sleep or the tooth fairy won’t come. “Hand it over or I’m going to tickle you,” he threatens her. He grabs her by the waist and lifts her up onto his lap while lying down on his back. “Good night, Simon,” she yawns while closing her eyes. She is convulsing and squealing into his mouth. “Am I?”
“Cuter than normal.” He nods. “I can feel it.” She grabs her stomach and pinches the rolls of flesh, making it look like his cock might actually be bulging out of her, though that is completely impossible. Her nipples seem to have hardened and are practically poking through her nightshirt now. There is not much but it still feels like a lot to her, and of course, each spasm of his cock hurts her cervix. Simon is her older brother, who is looking after her tonight. He rubs the back of her head affectionately with one hand while continuing to finger