Yawning, you make your way groggily into the kitchen. Your sister is already in there, doing her post-workout stretches. Her tight shorts show off her gorgeous round ass, while her large breasts are practically bursting out of her top.

"Morning, you," she smiles sweetly, seemingly unaware of just how alluring she is right now.

"Hey," you smile faintly, returning the embrace. Your eyes drift over to her tight shorts and your mind starts to race... it's weird, but seeing her like this makes you realize how little experience you have with girls. You've never been attracted to them before, but now... well, something feels different.

As you both stand there wrapped in the embrace you cant help but feel warm and comfortable. This feeling gets even more intense as your hands slip around her back to caress her ass gently, causing a shiver of pleasure to run through her body. She glances at you again and this time there's no mistaking it, desire is written all over her face.

Surprised but also strangely eager, you close your eyes as your sister's lips meet yours in a soft, gentle kiss. The sensation is both familiar and new at the same time, and it sends shivers down your spine. You tentatively wrap your arms around her waist, pulling her closer as you deepen the kiss, wanting to explore this strange yet exhilarating feeling further.

Suddenly coming to her senses she pulls away from the kiss breathless and blushes deeply, "We... we shouldn't... I mean..." Her words trail off as she tries to process what just happened between you two. Part of her wants nothing more than to give in to your desires, but another part is screaming that this is wrong on so many levels.

Your heart is racing as he moves to take off your shorts. You're tempted to let him but you can't shake the feeling that something isn't quite right about all of this. Your trust in him is strong, but even so... you decide it would be best if you took things slow and waited for the right moment. So as he tugs at your shorts, you lean back and say softly, "Not yet..."

She blushes deeper still as she notices that he's aroused beneath his shorts. It's strange, exciting even... but also a little intimidating. "Um... we should maybe take it easy," she stammers, looking anywhere but at his crotch. "I mean... I don't want to regret this later..."

A shiver runs down your spine as his hard-on brushes against your leg. You feel so... vulnerable yet strangely alive beneath his touch. Your body is betraying you, wanting more of this forbidden pleasure even though your mind knows it's wrong. But there's something about him that makes you trust him completely, despite the fact that you've only just met tonight. Maybe... just maybe, if he goes slow enough and proves himself to be as caring as he seems, then maybe this could be okay.

But no matter what happens next, one thing is certain: it won't just be about sex anymore. This is going beyond physical pleasure; this feels like the start of something much deeper...

She takes a deep breath, slowly exhaling as her hand brushes lightly against his crotch through his shorts. It's a shy, tentative gesture... but it also signals that she might be ready to let him take things further. Her heart is racing and her cheeks are flushed with excitement and anticipation. This feels both terrifying and exhilarating at the same time - like stepping off a cliff into the unknown.