God I love my sister's tits.
Yes, I said my sister.
Let me explain.
Since my older sister, Elena, sprouted breasts about five years ago at the tender age of fourteen, I haven't been able to tear my eyes from them. In fact, to be honest, I haven't been able to stop looking at her period. She's the most gorgeous creature I know. Her body is like a curvy, winding road, waiting to be explored by a lust-bound traveler.
She's been the subject of many of my masturbatory fantasies for many years. I know it's wrong...but I can't help it.
And lately, Elena has gotten a clue about my lustful feelings towards her. Actually, to be honest, she's gotten more than a clue...more like an open declaration.
For example, the other day I was in her room, sitting on her bed in my underwear as she was putting on her makeup. I love watching her brush her long black hair.
As she ran the brush through her beautiful hair, she half turned from the vanity, granting me a side view of her large, luscious breasts beneath her shirt...held up high by her bra.
I guess she caught me looking at her, because she smiled at me when I shifted the front of my underwear.
"What are you doing bobo?"
Bobo is her nickname for me; it's her way of calling me "silly."
I've been going in my underwear in front of Elena for years...that's nothing new. But lately, I've been doing it more than usual, especially when we are home alone. I know that she's seen my erections under them more than a few times, but she's never openly mentioned them.
"Nothing," I answered as she smiled at me in the mirror, holding the brush in her hand with a long strand stretched away from her.
While Elena and I are siblings, we are like day and night.
Elena is dark-skinned with brown eyes, while I am blonde and blue. We share the same mother, but we are from different fathers. Elena's father is Hispanic, while mine is white. Our mother is also white. My father is my mother's second husband and he has raised the both of us.
Our fathers notwithstanding, we are related by blood through our mother and have known each other as brother and sister since birth.
I guess I developed a kind of crush on my sister around junior high school. But as she started to develop, I felt myself falling for her in a different way.
"It doesn't look like nothing," Elena smiled into the mirror at me.
I blushed.
"What are your plans tonight?" she asked, returning to her hair.
"Nothing, I guess, what about you?" I said.
"Well, I'm going out with that guy I met a few weeks ago at the game."
My heart sank. My sister is beautiful and friendly, and she deserves to meet someone nice; still I can't help feeling just a twinge of jealousy when she mentions her dates.
"What's wrong bobo?" she said in the mirror with a puzzled look at me.
"Huh? Oh, nothing," I said, a bit embarrassed at being caught thinking about her. I changed the subject.
"So how is this guy, uhm, Richard is it?'
She nodded.
"Yes Richard, he's very nice," she smiled.
Leaning forward slightly on her vanity stool, Elena applied her makeup.
Watching her, my cock twitched, growing in my underwear.
I saw my sister's eyes pass briefly over it in the mirror as she worked at her makeup, stopping for a brief moment before she returned to her task.
I felt a small twinge of excitement run up my back for that moment.
"Bobo," she said, not looking at me.
"What are you thinking about?"
Just then, the doorbell rang.
"Oh, I hope it's my package," my sister said, turning to face me on her stool.
With that she left the room to answer the door.
I remained on her bed waiting for her.
Listening to the sounds from the living room, I heard her greet the delivery person.
My cock throbbed to full erection in my shorts and I placed my hand on it...tugging it lightly through my underwear while my sister tended to the front door.
I thought about the way she'd looked at me, curiously...and her question. What had I been thinking about?
Of course, I'd been thinking about her...watching her move in the mirror...her huge breasts, and dark skin. I'd been imagining how she looked naked.
Tugging at my cock through my underwear, I strained to listen for her in the living room. She was occupied for the moment with the delivery person.
Quickly, I pulled the waistband of my underwear down over my cock, allowing it to spring up. It was swollen hard...throbbing slightly with my heartbeat.
Grabbing at it, I stroked hard and fast as Elena closed the front door.
"I was right!" she called from the living room. "It's my package!"
I heard the sounds of a drawer opening as she retrieved a pair of scissors and cut away at the tape on the box.
I stroked faster, trying not to make a sound.
"Really?" I called back, sounding a bit shaky.
"Yes it's my top!" she said happily.
Hearing the sound of her footsteps in the hall, I gave myself one last tug and hurriedly pulled my underwear back over my erection just as she entered the room.
Holding her new top in front of her, she hadn't noticed.
"Look!" she said excited.
Laying the top over her body she smiled. "How does it look?"
"Try it on," I said.
With that, Elena grabbed at the hem of her shirt and pulled it up over her head and off. Her large breasts were packed tightly into a purple lacy bra and my cock jumped at the sight of her cleavage.
Instinctively, I covered it as my sister stuck her arms through the new top and pulled it down over her head, allowing me one last look at her brawed boobs.
Finally, she rolled it down her midsection, where it stopped just above her belly button.
It was beautiful.
Orange and black, it hugged her curvy frame and stretched tight across her chest, leaving her brown midsection bare to the waistband of her jeans.
"God, it's beautiful Elena," I said genuinely.
"Thank you," my sister smiled at me, cocking her head slightly.
My heart leapt in my chest and my cock throbbed at that.
Approaching the bed, she sat on the edge of it facing me.