I Spy on my Big Sister

My sister Kristy wasn't expecting me for another hour, I caught an early bus just to get out of the house. My mom has been driving me crazy lately so Kristy has been kind enough to invite me over to stay at her place. I’m 15 and my sister is a college girl, all of 19 years old but Dad set her up in her own rental home across town from home.

There was no answer to my knocking, and as always before, I let myself in, thinking she must be asleep still. I walked quietly through the house, glancing around, but went straight to Kristy’s bedroom. I expected to see her buried under the covers, sleeping soundly, but she wasn't there. The sound of water came to my ears from another room. It shut off suddenly, and I was struck with anxiety. I heard her footsteps as she padded down the hall. I turned and slipped into the closet, sliding the wooden door shut in front of my face. I peeked out through the wooden slats and saw my sister come into her room, naked and toweling her hair dry.

Kristy ran the towel over her face and then lower, drying the rest of her body slowly, as if she enjoyed the feel of the rough terrycloth against her soft skin. Kristy has an amazing body and I couldn’t help but blush with admiration taking it in. My sister’s movements were languid and drawn out, bending over to dry her legs and feet, she gave me a full view of her round ass, and her thick labia between her thighs. She came toward the closet and I shrank back, holding my breath, but she only hung the towel on a hook on the wall beside the closet door. She moved graciously onto the bed, lying down on her stomach and stretching her arms and legs. She sighed deeply and relaxed, spreading her thighs open and drawing her knees up slightly. She folded her arms beneath her head, breathing deeply, rhythmically, her chest rising and falling slowly.

From this angle I could see quite clearly between Kristy’s shapely thighs, and my breath caught as I saw how swollen her lips were. A light glaze of her juices coated her lips, slowly dribbling down to her clit. She began to grind her hips downward, into the mattress, letting out a low moan of pleasure.

I knew Kristy was sexy but this was amazing. I felt bad watching her like this but I couldn’t tear my eyes away. She rolled over onto her back, keeping her legs spread wide, so that I could see her clit which seemed pink and engorged and I noticed the muscles in her inner thighs quivered slightly.

Kristy ran her hands over her full breasts, massaging them roughly, her hands squeezing firmly the delicate flesh, stopping every few minutes to pinch and roll her nipples between her forefingers and thumbs. She arched her back up, her eyes closed, licking her lips as she stimulated her beautiful breasts. She was clearly enjoying herself immensely. And my heart was beating like crazy to see my own sister playing with herself in such a sexy way.

I bit my lip, trying to keep silent as I watched, lest my big sister hear me and be angry that I was in there, embarrassed that she was giving me such an intimate show. I was very aroused, my own little nipples hard, my pussy wet, and I realized I was aching to touch herm my own hot fucking sister. I put the heel of my right hand against my clit over my tight jean shorts and began grinding down on it,

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