Then, as she always seemed to do, Serena upped the ante. After her turn sucking Eric's cock, she again grabbed Amanda's hand, this time guiding her up onto the couch. Amanda again looked over at me, seeking guidance. Again, I nodded. She let Serena lead her up onto the couch until she was straddling Eric, his cock sitting just below her pussy. Serena grabbed Eric's cock with her free hand and guided it up to Amanda's opening, making the connection. Amanda gasped as she sank back, letting Eric's cock slide all the way into her. At the moment of penetration, I could tell that she had that same "oh shit"...