An Intimate Encounter With My Neighbor’s Sister-in-law

“If the other girls don’t finish by swallowing, then why did I have to?”
“Because my sister is the best at everything she does.” Marcus told her. It triggered her sexual feelings, making her horny. She was astonished at the amount of it landing on her tongue and pooling in the back of her throat. Have you been talking to any of my girlfriends?”
She was repulsed by the very notion of licking his asshole, but he had told her to do it, and she was powerless to stop herself. He pulled her over onto her side and held her in his arms until she came down, then kissed the side of her face. He came across the room quickly and hugged her. She had no idea what he was doing, but he asked her subtle questions and was pleased at her answers and progress over the week. “Are you trying to tell me you’re not a slut?”
“Marcus, I…” she said. “What’s going on in here?