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We laid together for a moment to let the pleasure sink in when my sister said "I'm hungry, I want something to eat." She knelt in front of me and took my cock into her mouth and started to gently suck on it running her tongue over the head of my cock I could see that I was getting hard again. I didn't think I would but I did. My sister licked my shaft and sure enough I was ready to blow my sperm. She let flow into her mouth and over her lips she even rubbed my damp cock over her nice breasts. " You know I've been watching you in the shower ." She said matter-of-factly. I can see she never thought she would get caught, or was did she want to get caught?