We ate our food and continued talking. We eventually got up and paid and went home. We sat on the couch till Sara got up and went into the bathroom to... take a shower. A few minutes later I got up and went into the bathroom. I peeked into the shower and saw my naked sister washing her sexy had as her ample ass stared at me. It was so firm, as the soap slid down her back and through her ass crack. She was amazing in every way; I got hard as I stared at her gorgeous body. After a few more minutes I. “what is this supposed to mean?” is asked. He replied “if I can only wear underwear, you should too.” He took a very long look and then I began to notice a bulge growing in his boxers. A very large bulge to be precise. “dad?! Are you having a boner?!”He quickly sat down and tried to cover it up with his hands but without success: The tip of his Dick was sticking out his boxers. He blushed when he realised I saw it too. “it’s not what you think...” He said looking away from me or his boner. “I. " "Play with your prick prissy... play with your little dick while I fuck you..." I ran a hand down until I felt the outline of my cock, moving lower I stroked my balls like they were my pussy, roughly fingering them. Rubbing them side to side under the tight spandex while getting fucked up the ass I could almost imagine a hot cunt under my fingers! I totally ignored my prick. I was now glibbering nonsense as he pummeled my backside. I felt him shift and thought I was finally getting the. I push you towards the wall, start to kiss you and you aggressively return the kiss. I break it off. My mouth moves towards your neck planting kisses there then to your ear. I hear your breath getting quicker and heavier and whisper into your ear: “Did you like the present?” Under your breath you answer: “Fuck yeah!! I’m horny ever since”. Your hands wander down towards by bulge and you start to massage it.“No!” I hiss. “I think I have to get you in line. I’m saying what you can or can’t do. Do.