A beam of light no thicker than the fine edge of a piece of paper passed through the gap in the curtains and struck Frank's left eyelid. The eye subsequently twitched and the bizarre dream his mind had been manifesting popped like a bubble being penetrated by a pin. He groggily ascended from the sandman's clutches and found that he couldn't recall the dream, only its nature, which had been leaning towards the too-bizarre-to-speak-of category.
Frank shifted around restlessly and yawned. The memory floodgates crashed open and the previous day's activities flooded back to him in an instant, causing him to become overwhelmed by images of Monica in various stages of undress. Had it all been a dream? Or had he and his sister actually done all those wonderful things to each other?
The final remnants of sleep drifted away and all that was left was a wide-eyed disbelief that he and Monica had almost had sex. His penis had been inside her vagina. It had been as deep as it could possibly go and the sensation had left him aching to penetrate her again.
Their parents had chosen the most inconvenient time to call it a night. Damn them!
That was when he heard a soft snort and a gentle noise that almost sounded like someone snoring. Instinct, as well as common sense, told him he wasn't alone, that someone was in his room, quite possibly in his bed.
When he'd been dating Kathy they'd begun sleeping together on a regular basis. After a few weeks of using his uncouth single bed, Kathy had coyly suggested that he purchase a queen-size bed so that their sexual antics could be undertaken with a greater degree of comfort.
For a few terrible seconds it passed through Frank's hazy mind that Kathy must've snuck into their house and slipped underneath the covers with him. What would Monica say if she found his ex-girlfriend lying in bed with him? How would he be able to explain the inexplicable?
That was the defining moment when Frank knew that he was completely over Kathy, where he worried more about his blooming relationship with Monica than a past love that he still felt the pain from.
Kathy was the past, he now realized. And somehow, with the stars aligned, galaxies in sync and all known dimensions locking into each other at one singular moment – Frank had developed an intense crush on his sister, which seemed reciprocated in kind.
Imagining the worst and not stealing himself for the best, Frank whipped his body around and found himself staring into the back of a girl's head. It wasn't Kathy. For starters Kathy's hair was brown, not blonde, and Kathy had her hair styled into flamboyant shag that was lucky to make it half way down her neck. This blonde's hair was straight and long enough to disappear underneath his Spider-Man blanket.
Relief washed over him and his heart-rate stabilized when he realized that the snoring girl lying next to him was Monica. Cute, sexy and utterly adorable Monica. Frank felt his lips transform into a warm smile and his chest flutter. Under the cover of darkness she'd stolen into his room just to sleep in his presence. There was something about that which seemed to extend beyond romance, and while it touched Frank deeply it also scared him a little.
"Mon," he whispered. "You awake?"
The only answer he received was a sudden snort and then the continuation of her light snoring. He shifted closer until his chest molded itself into the natural curve of her back, and with more than a little embarrassment he felt the early stages of an erection springing to life.
Another quick snort exited her nose when, unable to help himself, he slipped his right arm around her waist and ran his hand over the smooth warm skin of her stomach. His hand caressed her in lazy circles, wishing that he could lower it inside her panties or let it travel higher to explore the miniature mountains protruding from her chest.
God she smelled good. It wasn't because she was wearing perfume (which she wasn't) or because she'd bought the newest brand of intoxicating deodorant (which she hadn't), it was her natural scent that drifted over him mixed with whatever shampoos and soaps she used whilst showering. Her aroma was overpowering and now that he'd gotten a taste of waking up with it he didn't want to go back to the time when he wasn't awarded this luxury.
After stroking Monica's firm stomach for a while Frank was beginning to get a little fidgety. His cock was now fully erect and pressing painfully against the thin fabric of her panties, obviously being able to sniff her out with its strong pussy radar.
He wanted to touch his sister in a way a brother shouldn't. Society told him it was morally unacceptable to squeeze and play with her breasts, but that wouldn't stop him. It couldn't stop him, because touching her felt as natural as any time he'd touched Kathy.
So, without even second-guessing himself, he slid his hand up the inside of her Winnie the Pooh t-shirt and cupped the underside of her springy breasts, taking turns fondling each one so they both felt equally appreciated.
This caused Monica to stir and break the monotonous snoring with a long, soft moan. That moan only caused him to stiffen more, which in turn was greeted by her ass wriggling back against him, grinding his cock into the crevice, panties and all. If Monica had a problem with being groped while she slept, she was certainly having a rather difficult time expressing her disapproval.
"Mmm, you deviant, I can't believe you'd take advantage of your sleeping sister like this," she groaned. The last shackles of sleep must've still had a firm grasp on her, because her voice sounded groggy and slightly weary.
"I could always stop," he whispered.
"No, your hand's there now, so you may as well put it to good use."
Heeding her advice, Frank continued to massage and gently knead the soft mounds of flesh, brushing his fingers over her stiff nipples to give them a dose of stimulation. Each time his thumb and forefinger closed around her nipples he'd pinch lightly, which elicited small cries and gasps from Monica's mouth.
"Would you mind turning around?" he asked.
There was no hesitation. Her lithe body rolled on the spot until she'd swung all the way around and now lay on her right side with her face aimed straight at his. The direction she'd rolled meant that he hadn't needed to retract his hand, so it was still stuffed up her Winnie the Pooh t-shirt, stroking those two beautiful globes while he stared deeply into her leaf-green eyes.
There could be no denying it, mostly what he wanted to do was tear the sheets away and rip her scanty clothes from her semi-naked body. Last night he'd been teased by all the possibilities of what Monica wanted to offer him, and right now he desperately wanted to start from where they'd left off.
"G'morning," she said with a dreamy smile.
"Hi," he shot back, smiling. "What's a girl like you doing in a bed like this?"
Monica let out an exaggerated yawn, leaned forward and kissed him on the lips. It was basically a kiss hello; there was no lust or need in it at all. His mouth tasted pretty disgusting, so it was probably for the best that they didn't launch into a full-fisted tongue war.
"Would you like me to leave?" she asked with a pout.
"No, you're here now, so I may as well put you to good use."