Disclaimer: I neither own Cobra Starship nor Harry Potter, unfortunately. Because if I owned Harry Potter, trust me, the books wouldn't be about silly Harry and silly Voldemort. They'd be ALLLL about Remus/Sirius goodness. :)

Warning: Will be slash in probably the next chapter. Don't like it? Don't read it.

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Let me shake up your world
'Cause just one night couldn't be so wrong
I'm gonna make you lose control

She was so shy
Till I drove her wild

I make them good girls go bad

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Sirius Black sauntered into the Common Room. There was something suave and leisurely in the way his body moved. He walked like a man a hidden agenda, like a man out for the kill. He was elegant and sexy. Every eye in the room was drawn to him, even those of elder bachelors who would never admit how drawn they were to the 5th year Gryffindor. Even the good little school girls in the corner secretly lusted after him. Even the shy little bookish werewolf was staring wistfully at the way his best friend swung his hips, but that is a different story (actually, it is this story, but it's next chapter).

And Sirius knew it. He knew about all of their secret desires.

His lips curled into a sly little smirk. He glanced back at a cluster of girls in the corner. There were 6 of them; he decided on the shyest of the bunch. Her name was irrelevant. She was cute, with big green eyes and short blonde hair. The number one good-girl in the school. Spotless detention record. Never even had a boyfriend.

Perfect.

He tossed a wink back in her direction and heard a collective sigh emit from the girls. Blondie herself blushed and looked away, biting her lips. He faced forward again and threw himself into a chair by the fireplace. He lounged in the chair easily, aware of the girl watching him.

The girl, Annabeth as she was known by those who cared to know her name, was indeed staring at Sirius longingly. He was so magnetic. It was human nature to be attracted him. He was a ladies' man, sure. He simply loved women and couldn't stay with just one. The concept alone was ridiculous.

And that was exactly why she couldn't be with him. She knew what he was trying to do. He picked a new victim every night. They were all so easy to get. Who could resist Sirius Black?

No one.

But she knew better than to give in. He was bad. He would break her heart. He didn't care about her, really. He just wanted a night of action and conquest. He would get it from someone, she knew. He had to have it.

So why not bet be one to give it to him?

Sure, it wasn't her style, but would one night be so wrong? And he was just so irresistible. Mr. Trouble-Maker. What girl didn't want a bad boy?

Sirius, though unaware of Good-Girl's internal monologue, knew she would cave. They all did. So just to bring it home, he flipped his hair and faced her friends. He looked at her coyly. He smiled and raised one eyebrow.

The girl visibly seemed to melt. She swallowed and meekly walked up to him. "Um, hello," she said uncertainly. She didn't have a good reign on her sanity, right now. Sirius could tell.

"I'm sorry for staring. I just couldn't help myself. You're so shy. It's endearing," Sirius said, not sounding apologetic at all.

She stuttered and turned a bright shade of pink. "O-oh, well, I—"

"Ssh. You don't need to talk, love," Sirus muttered, putting a finger over her lips and looking from her eyes to her lips. "Let me handle that."

He started to advance on her, standing and clasping her hands. He drew her close. "You're such a delectable shade of pink right now, you know."

"W-wh—really? Whua—" the girl had utterly lost control now and could only stare at Sirius in confusion and longing.

Sirius grinned. "Oh, you are cute," he touched the end of her nose. "I could just eat you up."

The girl started to mutter indignantly but nothing was coherent. "Don't worry, I'll be gentle with you," he soothed, licking his lips in anticipation. He looked at her predatorily.

Something in Good-Girl seemed to snap then. "Gentle?" she managed to say. "Well don't expect the same from me." Then she grabbed his head and forced his head down to hers, attaching their lips.

She began to kiss him fervently, and Sirius practically roared in triumph. He growled and pushed the girl against a wall, pressing their bodies close enough together that even a slip of paper wouldn't fit between them.

He was such a good kisser, Annabeth thought dimly. She kissed him without abandon. Best night of her life, by a long shot.

He officially drove her wild.

And true to her word, she wasn't gentle with him. She attacked him with her kisses. He swirled his hips and felt her rotate hers in response. This is why I love the good girls, he thought pleasantly. They're always surprisingly nasty.

He grabbed her hips as she hitched them around his waist. He then gracefully carried her up the stairs into the boy's dormitory. He kicked open the door, slammed it shut, and didn't bother with locking it. Everyone in the common room had seen the display. He wouldn't be disturbed for a very long time.

He let her down now and stood to face her. They looked at each other, both mess of raging hormones. He gave another predatory lick of his lips and she beckoned him with her wide green eyes. He then closed the gap and practically threw her down on the bed closest to them (which happened to be Remus').

He gave it all he had, and she gave nothing less in response. He grinned in satisfaction as he removed his shirt and felt her work on removing his jeans. A heap of clothes now lay on the ground by their feet.

Everyone in the Common Room could hear the wild groans of the girl and the creaks the bed springs made. They were all thinking the same thing about Sirius Black.

He made the good girls go bad.