He pressed his thumb against it and grabbed her pubic bone, then flicked her clit with his middle finger. Her hunching body got more demanding and her...juices leaked onto to his fingers. He pulled the shorts to one side and took hold of his throbbing cock. The tip touched the slippery crease, and his brain stopped working. His body jerked, and his sister's flesh channel swallowed his bulbous knob. Deana gasped. "Ahh, Evan, please..."Evan raked the head of his cock up and down her pussy groove,. "Put it in your mouth." I groaned."Ooooh, so you want your little step-sister to suck you off? You want to fuck my slutty little mouth with this biiiig cock don't you? Ok then, I'll stick this right down my throat until you cum then I'll swallow every last drop."With that, she opened her mouth and went straight down, engulfing nearly the entire 8 inches in one movement. The sudden warmth and wetness almost made my blow instantly but I held back, releasing a long groan as she began to bob her. When the time came, I left work, and picked up the twins. Once I was home, I called Jenny on the phone to tell her we had the house to ourselves."Peter, I can't come over," she said despondently. "I'm at the mall with my friends and my dad isn't picking us up for another hour." Can you come after that?" I asked."My aunt is visiting from New York and we're all having dinner together," she explained. "I'm sorry, there's no way I can get out of it." I'm so disappointed," I said, then added, "but. ..I could feel her mezmorizing me. My breast moving outside of my robe. My vagina in full view. The fierce gaze ....as she bit her lip . And orgasmed in her pants. My breasts shone in the summer sun. My nipples soft. Hard . Ripe. I knew she loved this tension. .. I slowly let my robe drop and my hips swivel to the rain. As I showered. She dripped.. wet...and I felt icy hands as I showered. On my breasts.. the cabin was hot the rain crashing . Turning. Feeling her hot lips on my inner leg and.