This story is all thanks to epiphany65 and his stories for giving me to nerve to write my own. And thanks to Wolf Vixen for editing my story.
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It was the first few weeks of winter in Colorado and the snow had already hit like a ton of bricks. Justin had just gotten home from his final class that Friday, as he entered his apartment he shook off the chill and dropped his bag onto the floor with a soft thunk. He gave a sigh of relief and depression as he flipped on the electric fire place and settled down in his chair. The reason for his sigh was there had been a girl at his college that he had his eyes on and had been exchanging flirtatious advances with him and when he gained the nerve to ask her out on a date she reviled to him that she was only flirting with him to win a bet and that there would be no chance in hell she would ever go out with him. Her actions had shattered Justin's self-esteem, now Justin wasn't a bad looking kid he was average in height about 5'6" and had short dirty blond hair and was around 175 and it was all muscle from his fencing lessons that he gave on most weekends. Justin sighed, got comfortable and leaned back in his chair to enjoy the emanating warmth from the fire place.
Just as he was about to doze off there was a rapping at his front door, he grunted and sighed before he got up.
"Coming, he said in a groggy voice.
When he opened the door his doziness wore off instantly as he stared at his beautiful older twin sister Rebecca, as he stared into her piercing blue eyes he didn't hear her ask her question.
"Earth to Justin!" she said in a louder voice and he snapped out of it
"Sorry sis, what did you say?" he said kind of embarrassed.
"I asked if I could come in, it's cold as hell out here," she said with a soft smile.
"Oh, yeah of course," he moved to the side and let his sister in and quickly looked down at her ass.
As she stepped inside her hand brushed against her brother's thigh and she gave his a small smile, Justin didn't think anything of it, closed the door and followed his sister into the living room.
"So how were classes little brother?" she asked with a smirk as she took off her puffy coat and laid it on the floor by the table.
As she turned around Justin's eyes went to his sister's chest as he stared at her crimson turtle neck that was straining to hold in her ample breasts; as he looked he thought of how nice it would be to hold them in his hands, or as much of them that he could fit into his hands. Rebecca followed her brother's eyes when he didn't answer her question and a sly smile formed.
"Like what you see little brother," she said in a very sexy tone.
"What?" he asked trying to play dumb.
"Don't what me Justin; I know where your eyes were. So do you like them?" she smirked and waited for his response.
"Becca! I wasn't looking at anything honest," he said quickly.
"Oh so my breasts are nothing now huh?" she asked still with a smile on her face.
"That's not what I meant, but you're my sister" he said, his face now bright red.
"That's never stopped you before little brother" she grinned "So what do you think?"
Justin's cheeks turned every shade of red possible as he looked back at his sisters breasts and noticed two little bumps which he knew where her nipples, thoughts ran thorough his head about just lifting her turtle neck up and sucking on her nipples.
"They're wonderful Becca" he said with a smile, "in fact they're more than wonderful, I can't keep my eyes off of them."
Justin was taken aback by his bold comment and he blushed more as his cock strained the zipper of his pants. Becca smiled and hugged her brother, pressing herself as close to him as possible, she could feel his hard cock so she knew that he was telling the truth.
She leaned closer to his ear and sexily whispered "It makes me feel naughty to feel your hard cock and knowing that I did that to you".
Justin stared into his sister's eyes and saw a very deep wanton look to them, he gulped and pushed away some, but his sister pulled him back and slowly started to grind her hips against his cock.
"What's gotten into you Rebecca?" Justin asked, but never moved from his sister.
"Girls can crave sex just as much as the boys" she whispered and took her brothers hand and placed it on her left breast, "play with it brother."
Justin was shocked by his sister, but the arousal had finally gotten the better of him. He held as much of his sister's breast as he could in his hand, he realized that it was exactly like he imagined, nice and firm yet very perky. He realized that she wasn't wearing a bra and that the wool of the turtle neck made his sister's nipples very sensitive as he ran his thumb over it slowly.
"Becca we really shouldn't be doing this" he said half heartedly.
Becca kissed his neck and continued to grind her hips and let out a soft moan, "I don't care brother, the truth is that I've wanted you since I came over here two weeks ago and you were just wearing that tight white beater and those pants that showed off your bulge after I made you hard. It just drove me crazy."
Justin hadn't realized it till this very moment but he had wanted his sister since that moment as well and now that they both finally had the chance to live their fantasies, he decided that since they were both adults that it wasn't wrong in his mind.