Steph smiled up at me as her eyes spied the outline of my cock. The thin material of my black bikinis outlined the growing head of my dick. As I stood near her, she fidgeted nervously on the chair. I handed her the beer, and she swallowed a big drink. She didn't know what to expect. Here she was in the home of her brother's best friend gazing at his growing cock. She often stopped by my place to swim, but we never ended up inside alone before.
Steph was a truly beautiful girl. 5' 3" blonde hair, blue eyes. 112 pounds. 36 C chest 25 inch waist and 35 inch hips. Really cute face with a tiny turned up nose and gorgeous freckles liberally sprinkled over her soft white face. The look on her face was one of confusion. She'd had a crush on me since she was a kid. She was 18 now, just graduated from high school. She'd been visiting my pool for a couple of years. Usually with her brother Ron, who was my best friend. But for the past couple of weeks she was coming by all by herself. Ron was at basic training for the military. Steph would show up around 4 when she knew I'd be home from work. We'd lay on rafts and swim and talk and drink a few beers. (Yes I know that she is under age.)
She'd wear a skimpy black bikini that really showed off her curves. When she'd get out of the water, I'd often see her firm nipples poking through. She'd usually dry off and then she'd head home. I often jacked off after she left, her image etched into my mind.
I usually wore plain trunks, but I recently bought some black briefs for swimming. I was wearing those when Steph showed up today. I answered her knock on the door. She was wearing a tee shirt and nylon shorts over her bikini. I walked out and I felt her eyes on the bulge of my crotch. We walked to the pool and I glanced at her cute face. I could feel my cock stiffen slightly. We got to the pool and she slipped the tee shirt off and stepped out of her shorts. Mmmmmmmmm . We swam for a couple laps then we laid on the rafts for a half hour. The wind picked up and a storm was coming. We threw the cover on the pool and headed for the house. I invited her in and we sat in the living room. I got her a beer and I noticed her staring at my crotch. I thought about making a move, but decided to be more subtle. I excused myself and went in the bathroom.