Chris was brought back to the present by the bell ringing. It was now time for his first check in with Cathy about Jamie's progress. They had set this...up as a way for Chris to keep an eye on Jamie during school since they didn't share any classes. Cathy was in almost all of Jamie's classes and kept her in line at school, except at lunch, which was the only time the siblings had matching schedules. Before this had all started, neither one knew they shared a lunch period.Chris was pretty sure. .oh daddy," she cried out to me, turning her head to kiss me as we held each other still. The climax ran throughout her body, and we slowly began to grind together, her hips tilting back at me as my cock moved to and fro.My fingers kept tugging on her nipples, and I again slid my mouth to her slender neck, kissing and sucking on her as we started to fuck again. Her pussy had opened up a little more to me, and I began to drive into her when she surprised me."My ass, daddy.....put it in my. She smiled again, looking at his mouth. He took this as a green light and leant in again, this time parting his lips as they met hers, allowing his tongue to slide across her lips. She opened her mouth a little, matching his action, their tongues touching. Steven slid his arms around her waist, pulling her body tight to his as he kissed her more deeply. Lost in the moment, Jacie curled her arms around his neck. Jacie, giggling as Steven slid his hands onto her toned buttocks, gasped as he. Linda was playing with the thin hairs on Billy’s young chest. Janis was on his other side kissing his ear. There was a knock on the door. Before anyone could answer, the door opened.“Mom?” Billy sputtered as his mother walked in.She paused as she recognized her son between her sisters... naked. “Billy?” She asked, “What’s going on?”“His cock is amazing,” Janis announced.Jeanie (Billy’s Mom) couldn’t take her eyes away from her son's still hard cock. Billy was in shock. He couldn’t move to cover.