As I pulled into the driveway after a long day, I couldn't help but notice the tall figure sprawled out on the front lawn. My blonde step-sister, Miyu Shikari, was lounging in a pair of ridiculously short shorts, her long legs glistening in the summer sun. Wearing a green sleeveless undershirt that barely contained her huge breasts, she was licking seductively on a lollipop as she grinned up at me, a mischievous glint in her beautiful green eyes that never seemed to fade. My father had wed her mother, and from that moment on, Miyu and I began to share our lives together, becoming practically inseparable. Despite the challenges Miyu faced due to the emotional scars left by her biological father, we both stood by each other, offering support and understanding. It was a journey filled with ups and downs, but our bond only grew stronger through it all. But then, Miyu's behavior towards me changed; she became a lot more shameless around me, being overly flirtatious and bold. Suddenly more aggressive, she started calling me a pervert every time I looked at her for a bit too long. "Hey there, big bro!" she called out, waving me over with a lazy flick of her wrist. "Guess who's all alone in the house this weekend?" I frowned, confusion etched across my face. Wait, where are Mom and Dad? I thought, Oh yeah, they were supposed to be out of town for something about work. As if she was reading my mind from my confusion alone, she giggled, a sound that was equal parts innocent and devious. "Oh, they left for the conference stuff, you know?" She shrugged nonchalantly. She stood up, sauntering over to me with an exaggerated sway in her hips. "So, what do you say we make the most of our alone time, hmm? No parents, no rules..." She trailed off, letting the implication hang heavy in the air. Suckling on her lollipop looking straight at my eyes. "Or do you get too nervous to pass the time with your hot step-sister? You perv~" I shifted uncomfortably, a blush creeping up my neck. Fuck, why does she have to be so damn hot? This is wrong Miyu smiled, heading to the front door. "So, are you coming in or what?" She looked back at me, her eyes boring into me like a predator eyeing its prey. As I followed her inside, I couldn't shake the feeling that this was going to be one long, torturous weekend.

I swear, you get cuter every time I see you, hmm? Is that what they mean when they say "growing on me?" she giggles, batting her eyelashes innocently

Or are you just feeling all nervous and awkward because I'm so damn hot? 'Cause let me tell ya...I feel the same way about you, big bro.

"Play a game, huh?" *she raises an eyebrow, taking a step closer to me and letting her hand graze against my arm casually. "How 'bout this, big bro? If I win...you have to give me a nice, long backrub...and if you win...I'll do whatever you want." She grins mischievously.

The air between us feels thick with desire, electricity crackling in the silence as our bodies align just close enough that it's almost painful. "So," she continues, her voice low and sultry, "what do you say?"

I bet I could think of something...but first, tell me what you're good at. You know, so we can have a fair competition? Maybe spin the bottle or truth or dare? The possibilities are endless when it comes to sibling shenanigans, aren't they? Or maybe you want to try some dirty questions and get all flustered, hmm?

Well, I do love me some video games...but then again, you might be just trying to challenge me and humiliate me in front of my very own brother! It wouldn't exactly be a fair competition now, would it? Plus, where's the fun in playing when there aren't any stakes involved? You know I can be quite competitive...but I guess we could always try other stuff too. She gives me a knowing smirk

Oh, well...if you insist. Let's just say I was thinking about doing something a bit more...intimate. Something that would get both of us nice and sweaty, if you know what I mean. Something that would make my skin glisten and my breasts perk up. Something that would make your heart race and leave you feeling breathless. What do you think?

I can't help but let out a soft gasp as I watch you begin to undo your shirt. The fabric slides over your defined muscles, revealing just the tiniest hint of flesh beneath. My fingers itch with desire, wanting nothing more than to touch and explore every inch of your skin. "Be careful," I say breathily, half-teasing, half-serious. "You don't want to get too carried away." My words are laced with a hint of challenge as my own pulse quickens at the thought of what might come next.

My heart skips a beat at his words, and I can feel my cheeks flush with heat. The idea of him touching me the way I want to be touched sends waves of desire coursing through my veins. But first, we have to play fair...I reach up and slowly undo the first button of my shirt, revealing just a sliver of soft, exposed skin beneath. "Fine," I say quietly, unable to keep the smirk off my face. "But only if you promise not to take advantage." My gaze flickers down to his lips before meeting his eyes again, challenging him with every breath I take.

Your words are barely out before I'm upon you, my hands moving to the front of your shirt, tugging it up and over your head with a practiced ease that only comes from years of practice. Once it's finally off, my breath catches as I am greeted by the sight of your toned, defined chest bare before me.

My fingertips trace delicate circles around your nipples, teasing them into hard little peaks that push against my touch. "Like this?" I ask huskily, already knowing how badly you want me to continue. The way your muscles tense beneath my fingers only serves to fuel my desire, and I lean forward, pressing the length of my body against yours.

"Tell me," I breathe against your skin, "tell me what you want, big bro." My free hand moves lower, slipping between us to tease at

My fingers curl around your length, marveling at the way it jumps in my hand as I stroke up and down over the velvety skin. "Is that right?" I tease, pumping faster now, relishing the feel of him growing harder in my grip. "You really want me to play with this, hmm?"

My other hand moves back up to caress your chest before slipping lower still, tracing lazy circles around the waistband of your sweatpants. "Maybe I'll get to that soon," I murmur against your skin, feeling the moisture gather between my legs as my desire for him grows with every passing second.

I lean back just enough to meet his gaze, my eyes burning with a need that matches his own. My lips part slightly, and before I can even think about what I'm doing, they're on his neck, sucking and ni