I can't believe my eyes.

Since I last saw her, Shelly's looks more amazing than ever. Her supple body and firm breasts are can only be matched by the sharp, feminine features on her face. She stands in the doorway of our house with her cute pink traveler bag at her heels. I can't help but wonder how she'll look like underneath those clothes.

"Mark!" she calls out.

I rush to her and give her a huge hug. She smells different, of warm beer, frat parties and the world beyond. No longer is she the innocent high school senior that I waved to as she entered the hallowed halls of her college sorority. Now that she's practically a grown woman I'm scared that she's changed so much.

But feeling that pair of soft hands on my back, bringing me close to her, I know she hasn't changed at all on the inside.

"Mmm dear stepsister, I've missed you, you smell so good!" I sigh, sinking my face into her shoulder.

"Yeah Mark, I've missed you too. I've missed all the naughty things you did to me before I left."

Fuck! I feel my erection straining against my denim jeans. My body tenses up a little and I pull my hips back, afraid that Shelly will notice.

She stifles a giggle. Her hands slowly glide their way down towards my ass. Shelly squeezes my left butt cheek before pushing me towards her again.

"Shelly, I... I can't take it anymore." I whisper into her ear.

"That's exactly what I want to hear, big stepbrother." she replies, making me lose myself in her beautiful blue eyes.

I traverse those difficult three inches as effortlessly as before. My lips lock onto hers and send my dick into a rock hard raging frenzy. Fuck, she tastes of beer and cigarette smoke. I guess she really has grown up being out in the world like that.

Our tongues dart in and out of each other's mouths. They frolic and wrestle in an intimate horny frenzy.

I lose my mind.

She shuts the front door of our family house behind her with the heel of her sneakers and drags me upstairs by the scruff of my neck. I'm stunned by how assertive she suddenly is. Did college make her bloom from a girl hiding in her cocoon into a beautiful sexy butterfly?

Shelly kicks the bedroom door in front of her open. Raising her hands, she roughly shoves me onto her bed.

I lie back, taking in the view around me. How nostalgic. All those times spent hiding from our parents. Whenever I managed to stay up after they slept, I'd creep down the hall to Shelly's room.

She'd always pretend to be asleep. But as soon as I got too close, she'd reach out and pull me into her warm embrace. Hidden from the judging eyes of the world, we'd slowly undo our clothes and explore each other's bodies till the sun began to rise up over the horizon again.

The last night before she was packed off to college was the most difficult one for me to bear. I didn't want to lose her, but despite my earnest attempts she still went. It was selfish of me, but I didn't care, I wanted Shelly so badly.

In the last morning, I gave her a pink seashell necklace to remind her of me. She wore it on the spot and promised that she would. But after she left, I never came in here again, not until now. There were too many memories I feared I might never be able to relive again.

So I'm surprised as she pulls her hoodie over her head, leaving on a sexy black lacy bra for me to undo. Settled in between her cleavage is a tinge of shocking pink.

"Remember this?" she pulled it out of between her boobs. My eyes widen.

"Yeah, you wore it all this time?"

She crawls towards me, her cleavage begging my hands to undo the clasp on her back.

"Yeah, I did."

"Shelly I-"

"Shh." she presses her index finger to my lips, "just shut up and kiss me."

We kiss again. My arms wrap around her, tracing letters of love on the small of her back. She relaxes, and my deft fingers undo the clasp of her bra.

She breaks off our kiss and leans back to remove the lacy bosom restraints. My eyes nearly pop out of their sockets. Is it just me or did they get bigger? I reach out and cup her right tit in my hand just to make sure.

Giving it a gentle squeeze, I relish in how soft yet firm it feels. Shelly moans in my hand. I keep at it, latching onto her left nipple with my tongue. I lick it, flicking it from side to side and caressing it in slow circular motions. She grows hard under my touch.

Shelly reaches down and undoes the button holding my jeans together. I throb in carnal delight. My own cock can't wait to be inside her again.