Grinning he stepped into the shower and moved quickly up against her, startling her slightly. She felt his familiar lips on her shoulder and grinned as her arms dropped to his as he wrapped them around her.
"Well, good morning," she said, as she reached a hand behind her to grasp his c**k. "Wow," she said, slowly squeezing and beginning to stroke it. "For me?" she asked.
Mike didn't answer verbally, but grabbed the base of his c**k and rubbed it along the slit of Beth's p***y for a few short seconds. The water coursed down both of their bodies as they held there for that short time before he pushed deep into her, her back arching as his c**k pushed into his fourth sister that morning.
He pushed her forwards with a free hand, her own hands pressing against the wall as she rested her face
