I wrote this for my creative writing class and it disturbed the teacher, I want to see if it has the same effect. And this is just the complete vanilla version, I wrote an erotic version of this before this one.
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It was the first few weeks of what was called winter in Colorado and the snow had already hit like a ton of bricks. The sun glistened off the freshly white powdered snow that had fallen the night before and hung from the pine trees as if like a beautiful satin white sheet. Ice crystals distorted the light that shown through them to give the surrounding environment a fantasy like glow. Justin had just gotten home from his final class that Friday and 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 revealed 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 5’8” and had short dirty blond hair and was around 170 and it was all muscle from his fencing lessons that he gave on most weekends. Justin sighed and 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 as he got up and sighed. “Coming,” he said in a groggy voice.

When he opened the door his drowsiness 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 asked 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 took a quick glance at her butt. As she stepped inside her hand brushed against her brother’s thigh and she gave him a small smile. Justin didn’t think anything of it and 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 draped it over the back of the chair. Justin sat down on the couch and waited for his sister to join him. When she sat down her chest bounced in her crimson turtle neck and it caught his eye as he spoke.

“Classes were ok…..” She looked at him concerned, “Ok what little brother?”

He sighed and looked her in the eyes, “Well you remember me telling you about the girl I wanted to go out with?”

“Of course I do, you couldn’t stop talking about her, and so did she say yes to a date?” she asked and then saw the painful look in her brothers eyes, “Oh god Justin, I’m so sorry. What happened?”

Justin scooted closer to his sister and laid his head on her shoulder and he told her what she said to him.

“Oh Justin….” She spoke softly and kindly to comfort her brother as he cuddled up to her as she held him close. “Hey, isn’t it your birthday today?” she asked with a soft smile already knowing the answer.

Justin looked up at his sister, “Yes and that’s what makes the whole….” He was stopped when his sister put her finger to his lips.

“Shhh silly, I’ll make you forget all about that stupid girl.” She giggled and got up and grabbed the bag that she brought with her and brought out a bottle of wine and two glasses and a small box. “Happy 23rd birthday little brother,” she came back over to the couch and set the bottle and glasses on the table and handed him the present.

Justin’s face lit up some as he slowly opened the box and revealed a new mp3 player.
“Oh wow, Becca you really didn’t have to do this.” He said stunned,

“I know, but I remember you saying that you were tired of always having to change CDs so I got you the mp3 player.” She said happily, “You like it?”

“Of course I like it, thank you” He smiled and gave his sister a hug.

“So you want me to open the wine now so we can start celebrating?” she asked as she held the bottle in her hand.
Justin nodded and held the glasses as his sister popped the top and poured the wine, they took the glasses and clinked them together,

“Cheers” they both said and they took a slow sip and smiled.

“This is really nice, thanks sis. I needed this.” He put his glass down and looked at her and shifted in his seat.

“It was no problem, I’m glad I could cheer you up.” She said with a smile and downed the rest of her glass and poured herself another one, “You know she wasn’t good enough for you any way” she said with a slight slurring of her words.

Justin shook his head and finished his glass, “You’re totally buzzed sis.” He said with a laugh and poured himself another glass and slowly sipped it. After about an hour the bottle was completely gone and they were both obviously drunk as Justin sat on the couch not being able to move much. He watched his sister stumble around as she was trying to dance to the music that she had put on.

Rebecca looked at her brother and reached for his arms, “Come on little brother, and dance with me.” He was reluctant to get up and let his own body weight stop his sister from pulling him off the couch, and as she pulled she lost her footing and fell onto him, “Oh!” She smiled and looked up into her brothers eyes, “I’m sorry little brother.”

Justin smiled and held his sister close as he stared back into her piercing blue eyes and glanced and at her soft supple red lips, “it’s ok sis.” He said softly and held her closer.

By now it was sundown and the only light left in the room was that coming from the fireplace and it blanketed the siblings in a warm glow that to Justin made his sister look even more beautiful than he had ever noticed before, but this could have also been caused by the amount of wine that he had drank.

As they stared at each other there was an unbroken silence between the two as Becca leaned up closer and whispered, “I want to give you something special.”

Justin smiled and nodded but what happened next completely shocked him. There he was embracing his sister and she had softly planted a kiss on his lips, even though he was shocked the wine had erased his inhabitations and he found himself kissing her back. As the two kissed he felt himself completely relax and just melt away into what was happening.

After what seemed like forever his sister broke the kiss and smiled at him, “I love you so much little brother.” She cuddled his chest and sighed happily.

Justin ran his hand over his sister’s back and kissed the top of her head, “I love you too; sis and you know that what we just did is wrong, right?”

Rebecca nodded and snuggled even closer, “It’s actually not little brother.”

Justin was confused as to what she meant, “But we are brother and sister…..” He said hesitantly; “No we’re not brother and sister.”

His jaw dropped and he looked at his sister, “wh-wh-what do you mean we’re not brother and sister?”

“Well haven’t you even noticed Mom, Dad, and I all have brown hair and you’re the only one with blond?” she asked softly.

Justin looked at his sister and the picture of his family on the coffee table and let out a gasp, “My god….so I’m adopted?”

Rebecca looked up at him sadly and nodded, “Mom and Dad never wanted to tell you, but I’ve always had feelings for you and I just couldn’t stand it. To me you’re still my little brother but our feelings for each other aren’t wrong, don’t you see?” She held him tight as she waited for his response.

There was a long silence for about 30 seconds and she felt his grip tighten as he let out a sigh, “It’ll take some time to get used to…..and I don’t think Mom and Dad would be ok with it….but I’ve always loved you. I love everything about you, the way you hold yourself up and never let anyone get you down or how your hair draws me towards those beautiful blue eyes.”

Rebecca let out a happy gasp and held him tighter, “Oh Justin! Does that mean what I think it means?” He nodded and kissed Rebecca on the lips and pulled her closer. As they broke the kiss they both fell asleep happily in each other’s arms now knowing that their feelings for each other were now out in the open and that nothing would be able to stop them from loving each other