We hugged each other and I started rubbing her back was feeling her body curves. Then I removed my shirt land pant ,kept a side to keep to protect it ...rom getting spoil. She removed her top and jeans too. We both were into undergarments. I again gave her tight smooch started rubbing her boob from bra. I can feel the hornines into her eyes. I make to makee her beg for my dick. She came over started kissing my lips and I was pressing my dick from my underwear on her panty.I removed her bra,now. " What the hell are you doing?" She said. I tried to explain, but I was getting nowhere. I even told mom it was biological and that I could not help it, but she was plenty pissed. I went to my room and laid on my bed with a somewhat still hard dick. I was thinking of rubbing one out when mom walked in and apoligized for getting upset. "I know what it was like for me at your age and I heard stories from your dad and other guys so I know what you are going through." "Is there anything I can do to. .She lost her balance a little, rolled into me, pushing me onto my back. She snuggled her cheek into my chest laying half over me.Her leg slid up over mine and I could feel her crotch against my thigh.My pulse was pumping-up my python which I pressed against her.“Jesus! Is that for real?” she murmured.I ran my hand down her back, she shivered, pushing against my cock.“God, your massive,” she swooned She looked up into my face and offered me her lips.There was just the sound of our breath. "Mmm, that's good, Jase, good."The feeling of Julie's pussy tightly gripping my cock was fabulous, especially when I moved in and out. She began meeting my thrusts with a circular motion of her hips that was simply delicious. What a feeling, my cock was all tingly and each stoke sent waves of ecstasy throughout my body. I was the happiest fourteen year old on earth.I never dreamed that my sister and I would be fucking each other but having her around now that we were exploring each other's.