Mom kissed me deeply. "We're going to have so much fun training her, aren't we?"

I chuckled, then felt Marie climb back on top of me. I felt her warmth envelope my cock, then she was lying on top of me, Mom scooting over to give her room. "That was naughty, Sissy," Marie whined.

Mom giggled. "He didn't think so. He loved it. And that's what counts, right?"

The shared kissing started up again, then Mom was dislodging Marie again. "Suck him, then it's my turn."

They developed a pattern, each taking turns, with Marie sucking me in between. I was in absolute heaven. Once again, they started taking longer...