When Sue had some alone time at the Baxter Building, she never knew what to expect. With Reed busy in the Negative Zone, Ben out exploring the galaxy, and Johnny off on some superhero PR tour, the place felt a little too quiet.

Until he arrived, demanding to see her:Namor, the Sub-Mariner.

Sue had always found Namor attractive, with his muscular build, dark hair, and piercing blue eyes. But she had never acted on it, not while the rest of the Fantastic Four were around.

But now, with just the two of them in the building, she couldn't help but feel a flutter in her chest as he approached her.

"Susan," he said, his voice deep and commanding.

"Namor," she replied, trying to keep her cool.

He stepped closer to her, his eyes locked on hers. She could feel the heat radiating off his body, and she couldn't help but feel a little dizzy. He knew she was alone here. She didn't know what he was going to do with that information…

And then, before she could even react, he leaned in and kissed her.

His lips were soft, but his kiss was firm. She could feel his tongue exploring her mouth, and she couldn't help but respond.

But as he started to grope her breasts, she pushed him away.

"Namor, stop," she said, trying to catch her breath.

But he just grinned and overpowered her. She struggled in his grasp but it was no use. He soon had the blonde gagged and bound tightly.

"You can't resist me, Susan," he said, his voice filled with confidence.

He started to massage her body, his hands kneading her muscles. She couldn't help but moan as he touched her, her body responding to his touch despite her initial resistance.

He groped her breasts, his fingers pinching her nipples. She could feel her pussy getting wet, and she couldn't help but squirm.

He continued to massage her, his hands moving down to her thighs, her calves, her feet. She had never felt so relaxed, so turned on.

She whimpered as he unzipped her blue costume and peeled it away. She squirmed as he unlatched her bra and slid off her panties, leaving her naked.

And then, he started to finger her.

She could feel his fingers exploring her pussy, sliding in and out of her wet folds. She moaned louder, her body begging for more.

He fingered her for what felt like hours, bringing her to the brink of orgasm over and over again, but never letting her fully cum.

She was panting, her body trembling with need. She couldn't take it anymore. When he pulled the gag from her mouth at last, there was only one thing she could say.

"Please, Namor," she begged. "Fuck me."

He grinned and untied her, carrying her to the bed and laying her down. He climbed on top of her, his cock hard and ready.

He entered her slowly, his thick cock filling her up. She moaned as he started to thrust, his hips moving in a steady rhythm.

He fucked her slowly and passionately, his eyes locked on hers. She could feel herself getting closer and closer to orgasm, her body tensing up.

And then, she came.

It was the most intense orgasm of her life, her body shaking and trembling as waves of pleasure washed over her.

Namor continued to fuck her, drawing out her orgasm until she was begging for mercy.

And when he finally came, filling her up with his seed, she couldn't help but feel satisfied.

They lay there, panting and spent, for what felt like hours.

"I guess I can't resist you, Namor," she said, a smile on her face.

He grinned and leaned in, kissing her softly.

"I knew you couldn't," he said.

And as they lay there, wrapped up in each other's arms, Sue couldn't help but feel grateful for the alone time at the Baxter Building.