Alex want to try out a bbc with her boyfriend

Alex's eyes were glued to the screen, her pupils dilated with a mixture of awe and undisguised lust. She scrolled back to the profile of BigDaddy89, then to ThickViking, and then her gaze landed, and stayed, on MassiveMonsterCock. The other two were impressive, a spectacle of masculine prowess, but MassiveMonsterCock... his was something else. It wasn't just the size, which was undeniably formidable, but the sheer confidence that radiated from the photo. The way it rested heavily in his palm, the slight upward curve, the intimidatingly thick head that promised a unique kind of pleasure.

"MassiveMonsterCock," she breathed, the name a soft puff of air against your cheek. "His cock is... perfect. Look at it." She didn't need to tell you twice. You were already looking, your own cock giving a pathetic little twitch in response, a mix of envy and a twisted sort of pride that your girlfriend had attracted such a specimen.

"What about the other guys?" you asked, your voice a dry rasp. You pointed a trembling finger at ThickViking. "This one... he's more... normal. He's built more like me." The implication hung in the air, unspoken but understood. Maybe this one wouldn't ruin her. Maybe this one was safe.

Alex shook her head, her long hair brushing against your shoulder. She looked at you then, a strange, serious expression on her face. "That's the point, John. I don't want normal. Not for this. I want to try... something else. Something I've never had before." She paused, her thumb hovering over the keyboard. "I want to feel what it's like. To be stretched, to be completely full. Don't you want to see that? Don't you want to see me lose control? We watch a lot of blacked porn together. This will be more of an intimate experience for our relationship."

Her words were a key turning a lock inside you, releasing a flood of conflicting emotions. There was fear, of course. The fear of inadequacy, the fear of being replaced, the fear that this was a Pandora's Box you couldn't close. But there was also a dark, powerful thrill. The fantasy you'd nurtured for so long was no longer a hypothetical, it was standing right in front of you, and its name was MassiveMonsterCock.

You swallowed hard, your throat tight. "Okay," you managed to say. "Okay. But... let's be careful. We need to set some ground rules."

Alex smiled, a slow, knowing smile that told you she'd already won. Alex over the next few weeks got everything sat up with the black stud for the threesome.

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