I got home walked indoors and I could hear her upstairs moaning I thought great she knew I was home and got starting but as I quietly walked up the st...irs I heard her calling out "me Dennis that's it baby fuck my arse hard I love you in me "I thought what the fuck why is she playing with herself calling my brother's name as I got to the bedroom door it was open a little and when I looked there she was naked on her knees and my brother was behind her fucking her hard.I couldn't believe it first. Both been highly amoused. Amber was blonde and had bigger breasts then Susi as far as i could see. Because no got off their clothes.Her sister looked at my cock and all the cum spread all over myself.Amber grapped my cock and stroke it as well just a few times. She then left the room.I was very horny now. Wow her younger sister had watched me all the time!I couldn´t resist and started to kiss Susi gently with tongue and tried to strip off her panties.But she clevrly managed to get around. She put her hand on my cock and was rubbing it hard . i was hoping beyond hope shed take it out but she didnt. Before long my breathing got quicker and i was pushing back against her hand this made her rub harder i whispered in her ear i close to cumming . at this point she stopped rubbing my cock and said its time we got going home. I couldnt believe it i was so close to cumming and she stood there with her curvy breast bare in the night sky. I pleaded with her to carry on and make me cum. She. Her entire attitude and body were changing before her eyes.Debbie was sitting still now, and up straight, the curve in her backsuddenly gone. A look of rapture and peace spread over Debbie's face,her eyes closed, but not screwed shut. Color flowed into her skin,quickly losing the pasty look, taking on a rosy glow. Her hair grewthicker, down to her shoulders, in a deep brown color. Debbie's armsfilled out, toned and sleek, and then the changes spread.Sitting up, Debbie's shoulders and chest took.