Disclaimer: All Harry Potter characters belong to J.K. Rowling, not me! All Sailor Moon characters belong to the brilliant Naoko Takeuchi. I am making no money off of this, nor do I actually have any money as I fall under the 'poor college student' group of the US.

So, after a long wait, chapter three is finally up!

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1972 – Hogwarts

Serenity moved down the stairs from the girls dormitories to the common room with a single minded purpose. To be as late for Potions as possible without actually being late. Potions and History of Magic were her week points in her schedule. She was clumsy enough in Potions that she usually had to make an assignment up at least twice, and as for History of Magic, she could never seem to remember dates.

The sound of a foot tapping made her raise her eyes to the four girls waiting at the exit. Ami was reading, probably something for their up coming class, Mina and Lita were engaged in an avid conversation, and Rei was the girl tapping her foot impatiently. She also had a fire to her violet tinted eyes, brighter than what usually burned there. "Come on Serenity! We're going to be late."

Serenity hired her steps a little and the group made their way to class. "Everyone else headed out?"

Rei gave an irritated flip of her raven colored hair. "Of course they did. They didn't want to me late."

Mina gave a small giggle, "They probably had a prank to set up. They did leave extra early."

Serenity rolled her eyes as she made her way down into the dungeons that served as the Potions classroom. The group broke apart to go to their assigned tables for class, Ami moved to a table with a mousy Gryffindor girl; Rei and Lita paired off; and Mina and Serenity took the table next to James and Sirius. Sirius gave them both a wicked grin and with his eyes directed the girls attention to a table occupied by a pair of Slytherins.

Serenity leaned back in her chair so she could rest her elbows on the boy's table, making it easier to talk to them. "What are you two up to?"

James and Sirius gave her innocent eyes. "Us? Be up to something? How rude to be so accusatory." James just gave a nod to Sirius's words.

Mina leaned over, joining in on the conversation, her blue eyes sparkling with curiosity. "It isn't accusatory if your track record justifies the question."

Sirius gave a wicked grin. "Well lovelies, you'll just have to wait and see, won't you."

Serenity opened her mouth to protest. She wanted to know now, but the Potions Professor took that moment to enter the class. So Mina and Serenity just gave suspicious glances towards the boys as they too their proper seats and got instructions for what they were doing in the class.

Halfway through class, while everyone was deeply engrossed in getting their potions work done, a loud explosion of sticky blue goo erupted. To Mina and Serenity's expectation, it was the poor Slytherins that James and Sirius had directed them to earlier.

The students gave a stunned blink at the Professor, who looked furious at the mess. "You two will spend however long it takes to clean this mess up. Wandlessly. And ten points from Slytherin for being so incompetent."

"But Professor, we didn't even…" One of the two began, though he swallowed his protest at the glare from the Professor. Dropping his head with a sigh, the two gave a heartless, "Yes, Professor," before moving to start cleaning up.

A snicker made the Professor turn and glare at the student making the noise. "Something funny about students merely blowing up the class room, Mr. Black.?"

Sirius had enough sense to bow his head, though his shoulders still shook slightly. His voice, though, was serious. "No Professor. Of course not."

The Professor gave a sharp nod and turned back to the class. "What are you all staring at? Get back to work!"

Everyone gave a surprised blink and hurried to finish their potions. It stayed quiet the rest of the class, Mina and Serenity giving James and Sirius glances every so often.

Class finally ended and the Slytherin students were still scrubbing blue goo as everyone else filed out of the room. Mina and Serenity pounced on James and Sirius as soon as they were away from the dungeons. "You caused those poor students' potion to explode." Serenity hissed quietly at them.

The boys gave the girls innocent looks, though Sirius broke into a grin first. "We don't know what you're talking about."

Mina pushed past the boys, getting a head start to the tower, "You two are so cruel sometimes."

Sirius watched Mina's retreating back, "He's only a Slytherin." She shook her blond head, but kept walking. He then turned to Serenity with a pout. "You agree with her?"

Serenity gave a soft push to his shoulder, noticing that James had disappeared after Mina. "They're still people Sirius. Being in Slytherin doesn't make someone evil."

Sirius wrapped an arm around her as they started walking back to Gryffindor tower. "They were just a random pick. We could have just as easily chosen another Gryffindor. Honest."

Serenity gave him a glare, but his pout won over and she sighed, giving up. "You're going to piss off the wrong person one of these days."

He gave a quick kiss to her cheek. "That's why I have you and everyone else. To get me out of those kinds of situations."

She glanced at the portrait guarding the Gryffindor entrance, her cheeks pink. "Buttercup." The portrait swung open and they both entered. "We won't always be around, and who's to say that we won't be in trouble with you?"

Sirius gave a glance around the common room. Lily, James, Remus, and Peter were in a corner, and by the look on James's face he was getting a lecture from Lily. Sirius steered them towards the group. "You and Lily are too smart to ever get caught up in the trouble we cause."

She gave Sirius a look that said she didn't quite believe that statement. She then glanced around for her friends, who didn't seem to be anywhere in the common room, even as she greeted the group.

"They went up to their room." Remus commented, answering her unasked question.

She turned her blue eyes to look at him and he gave a fidgety motion in his chair. She couldn't understand why but every time she gave him her full attention he seemed to be uncomfortable under her crystal gaze. Not to mention she got a warm feeling spread across her forehead when it happened too. "Thanks." She gave Sirius a bump with her shoulder, "I'm going to head upstairs."

Sirius gave her his infamous puppy-dog eyes. "You aren't going to play with us down here?"

Lily turned her green gaze on Sirius, "We aren't playing down here Sirius." She tilted her glance to Serenity and it softened a touch. "Tell Mina that mom wants her to write home more.?"

Serenity nodded to Lily, though Sirius didn't let her go. "Maybe I could come up with you, instead?"

She wrapped an arm around his waist and gave him a sympathetic hug. When she pulled away, he regretfully let her go. "You'll be fine. And boys aren't allowed in the girls dormitories, anyway."

He gave a nod and watched her go upstairs before turning to eye the red head in front of him. By the looks, he knew he was in for the same lecture that James had just sat through.