"But I c-c-can't stop. Ohhh, ohhhh wow!" The slick, slurpy sound of her finger sliding back and forth in her throbbing cunt made Rebecca even hotter. On the sheet a dark spot was spreading. Her juices were dripping down like a leaky faucet, a faucet she didn't want to turn off. She wasn't just breathing fast now. She was panting. And her nipples stung with desire. She rubbed them both in turn, being rougher than she ever had before.

"Nhhuuhh! I've just got to stop!" She dragged her shiny finger free of her cunt and looked at the hot sex juice that still dribbled down her crack and onto the sheet. Somehow she staggered to her feet and made it to the bathroom. She splashed cold water on her face and then wet a washrag and held it against her fevered cunt. She was still very weak and her breathing wouldn't slow down.

"I can see why Aunt Lana warned me," she gasped, feeling more guilty than ever. "A girl could have a heart attack doing that."

She sat on the commode and peed with nervous squirts, the sensation of hot urine exciting her again. She considered taking a bath but knew that the longer she allowed herself to be naked, the stronger would be the temptation to touch herself again. Rebecca went back to her dresser, found a pair of thick cotton panties and jerked them on without daring to gaze at her nakedness again.

When she went downstairs, Aunt Lana was fiddling with the coffee pot. Her hair was mussed from sleep and she had on her housecoat. Rebecca was thankful that her aunt wasn't fully awake. Because she felt that if Lana looked at her twice, she'd know what she'd been doing.

"Would you see if the paper's here yet, dear?" Lana asked. "That paperboy is so lazy on weekends."

Rebecca had just bent to pick, up the morning paper when a shiny red sports car roared up to the curb and a pretty girl with blond hair got out. She was tan and healthy-looking, her legs and midriff bare. Under her white tennis shorts and skimpy halter top, Rebecca could tell she was a full-blown woman. Yet she seemed very young.