I know, I know, another 'Marauders travel in time' fic. What can I say? I'm a sucker for 'em

I love the whole 'travelling in time to warn the past about the future' genre. I think they're fun and it literally works for every fandom ever, soo that's cool.

IMPORTANT:
AU is: Wolfstar lived. Fred lived. Percy died. Remus is back teaching DADA. Sirius is head auror. Harry, Ron, Hermione, Ginny, Luna, and Draco are all animagi. Golden, silver, and bronze trios are all in one big friend group.

Enjoy!

...

Harry glared at the parchment on the desk. He hated History of Magic, hated it with passion. Load of old tosh!

You know, when you're going to have mock NEWTS on the fourthday back at Hogwarts, make it obvious that you're going to have mock NEWTS on the fourth Merlin-be-damned day back at Hogwarts.

According to Hermione, Professor Binns 'mentioned' the test on their first day back. That's why she was spending all of her time down in the bloody library. Ron also knew about the test. He was told when he and Hermione were having a study date in the free period before History of Magic. Harry had spent it with Neville, Pansy, and Blaise, who were also separated from their lovers by Hogwarts, they had a competition on who could eat the most marshmallows (spoiler alert, Pansy won). Nobody had seemed to feel the need to mention a test to Harry.

And here he was, staring mournfully at a blank piece of parchment in History of Magic with bloody Ravenclaws. Hermione was scribbling like mad. Even Ron and Neville had something to write, the plonkers.

Harry was considering survival if he fell from the window of the tower when there was a knock at the door.

Binns looked up. "Enter!" He called. The doorknob turned. Harry felt relief flood through him.

His Dogfather had walked in wearing a shit-eating grin. "Harry, my boy. There's something I need to talk to you about." He turned to Professor Binns. "Don't suppose you'll let Harry off? It is a family matter."

Binns sighed. "Off you pop then." Harry relaxed. He gathered his stuff and was walking out when Binns called his name. "You're going to do this test at the weekend instead." Harry nodded quickly, that gave him tons of time to study! He gave Ron a wink as he closed the door behind him.

"Sorry 'bout making you skive off class but this is important, pup." Sirius told him as they walked.

Harry felt a grin growing on his face. "Are you kidding? I didn't know there was a test! You just saved my arse!"

"Now there's something I need to tell you." Sirius said seriously(I'll make the pun later, I promise). "And I need you not to interrupt me when I say it, alright?" Harry nodded. "Over twenty years ago, back in 1977, my seventh year, your mother got a time-turner to use for her classes." Harry's thoughts immediately went to Hermione. He didn't know his mother was as studious as one of his best mates. "It was the first day back. I was being an idiot, pesterin' her about the chain around her neck. See, Prongsie thought it was from her muggle boyfriend, so I was sent in to make sure it wasn't. And to win a bet." Harry sniggered. "I pulled the chain and it fell to the floor. Me, Moony, Prongs, and the Tigerlily went to pick it up." Sirius hesitated. "We were sent forward in time to the fourth of September, 1998." Harry felt his breath catch. That was the date today! Was he going to get to meet his parents?

"W-wha...ho-...ehh?!" Harry couldn't seem to get his words out. Sirius smiled sadly.

"I don't remember much because you had to obliviate us at the end of it, but I do remember that we met James' son in the room of requirement," Sirius's smile softened. "A teen named Harry. He told us that the wars were over. That we won. Lord Voldy-Mouldy's dead."

Harry's head shot up at his name. "I-is that why you w-were so positive that we would win?" Harry asked, still in shock. He remembered after his Godfather's near-death experience, how he told Harry they were going to win, no matter what. Harry had assumed he was going delirious.

"It is, pup." Sirius smiled kindly at him. "I'm going to need to go to the kitchens to get food...and some firewhisky, head to the Room of Requirement and make it into a library. Bring the map and the cloak with you, you're gonna have to prove your Prongs's son." Sirius bounced from one foot to the other. "I may threaten you a little." He mumbled.

"You didn't Avada Kedavra me, did you?" Harry asked him.

"What?! No!" Sirius exclaimed.

Harry nodded. "Good, 'cause I don't think I'm gonna survive my third." He quipped with a cheeky grin. Sirius rolled his eyes and ruffled his hair.

"It's going to be fine, pup." Sirius told him. "And when it isn't, call Remus." With that, Sirius went off in the other direction. Harry shook his head and headed to the kitchens, imagining those sausages he was going to have for his lunch.

Thirty minutes later, the wizard is sitting in the Room of Requirement, going over Uric the Oddball and Emeric the Evil, snacking on muggle crisps.

BANG! "Owwwww"

"Where in Merlins name..."

"No...no...no, nono, no..."

"What is it Lils?"

"We travelled through time! SIRIUS ORIO-"

"Travelled through time-"

"So this is the future?"

"Who's he?"

Harry snickered from behind his book. All attention was drawn to him.

"Looks a bloody lot like James."

"His eyes though...bright green..."

Before Harry knew it, Young-Sirius was storming up to him. He ripped the book out of Harry's hands and pointed his wand at Harry's throat. "You mind telling us what the bloody fuck is going on or so help me Merlin, I will Avada Kedavra your arse!" Young-Sirius demanded.

Harry raised an eyebrow at the wand. "You mind getting your wand out of my face?" He quipped. Young-Sirius didn't falter. "He said you would threaten me...didn't say when you would stop." Harry mumbled.

"Who?" Young-Remus asked.

"Future Padfoot." Harry answered with a knowing smirk.

"How do you...?" James trailed off. Lily frowned.

"Padfoot?" She asked hesitantly. "Do I even want to know?"

"I also know the name's origin." Harry grinned to himself. He was liking this game.

Remus stared at him. "How far are we into the future?" Remus asked.

Harry frowned. "Maths was never my forte, so bear with me..." He bit his lip. "Twenty-one years."

The room fell silent before Young-Lily lunged at Young-Sirius. It took both Young-Remus and Young-James to drag her off of him. Harry couldn't help but stare at them, his parents.

"So you're Prongsie's son then?" Young-Sirius asked.

"Harry Potter." Harry introduced.

"I'm-"

"I know who all of you are." Harry cut off Young-Lily with a slight smile.

James frowned. "How do you know my school crush?" He asked in confusion.

"Take a good look at my eyes."

They all jumped forward to see when Harry heard the tell-tale sound of a door knob turning. His eyes widened. "Quick!" He hissed, throwing his invisibility cloak over them.

"Honestly, Harry James Potter!" Hermione stormed into the room, her face a bright red, hair sticking out in all different directions.

"Hermione Jean Granger." Harry mimicked. "Ronald Bilius Weasley. I like the name game."

If anything, that made Hermione even more furious. "I can't believe you're skipping class! Or that you got Sirius to make some family excuse!"

Ron seemed to think it was the funniest thing in the world. "You know, when Parkinson told us how you spent your lunch time, I was shocked you weren't more stressed about mock-NEWTs. I didn't know you had a back up plan!"

"What, you think I hired Sirius to get me out of a test?" Harry asked in confusion.

"Well yeah?" Ron replied sheepishly. Harry heard a rustle from the floor.

Harry scoffed. "I did not! Sirius told me about something that would happen today..."

Hermione frowned. "Something that would happen...Harry..." Her expression softened. "The war's over...you both have to accept that."

"We have accepted that." Harry argued annoyed, he did not like where this conversation was going. "Anyway, it's not about Death Eaters or the war or anything."

The girl raised an eyebrow. "Then what?"

Harry grinned sheepishly. "Eh...how do I put it?" He wondered. "He told me there was an incident twenty-one years ago that effects today, and the rest of the school year."

"Mate, are you being vague on purpose?" Ron snickered.

"It's better I show you." Harry gestured to the food floating down to the floor and disappeared.

Hermione's eyes widened. "Revelio." She muttered.

The cloak unveiled to show Young-Sirius and Young-James snacking on chocolate, Young-Remus staring longingly at it, and Young-Lily glaring at the pair. They all looked up at the spell. Young-Sirius shrugged and mumbled an apology.

"So what was that about older me getting you out?" He asked with a cocky eyebrow, getting up. "And about a war?"

Harry shook his head. "I'll explain later." He told him. The boy who lived turned back to Hermione, who was flushed pink, and Ron who was gaping widely at them. "So?"

"How on earth...?" Hermione tried.

Harry smirked. "Lily was as studious as you were."

Ron's eyes widened. "Time-turner." He realised.

Hermione gasped. "So Sirius told you that he travelled to the future when he was young?" At Harry's nod, she continued. "Then, why didn't he know what would happen with the final battle?"

"We obliviate them at the end, Sirius remembered bits and pieces, like me having firewhisky." He held up the bottle for Hermione and Ron to see, before James grabbed it and took a generous swig.

Hermione shook her head. "We have to take them to see McGonagall."

Lily frowned. "Shouldn't we see Professor Dumbledore?"

The golden trio exchange glances. Harry sighed. "We'll explain in a minute, right now she needs to know."

"Why didn't Sirius just go to her? Why would he go to you?" Hermione questioned Harry, almost accusingly.

"Now, where's the fun in that 'Mione?" Ron grinned cheekily. "Ow!" His girlfriend cuffed him over the head.

"That does sound like Padfoot." Remus rolled his eyes.

"Are we going to meet our future selves?" Sirius asked excitedly.

"Oh, you can't!" Hermione interjected, glaring at all of the boys, at the same time as Lily's "Absolutely not!" They smiled at each other.

"Good Merlin, now there's two of them!" Ron moaned. Hermione's glare sharpened on him.

"Ginny's been teaching me about hexes, including the Bat-Bogey one." Hermione said sweetly. Ron yelped. Harry grinned at his friends' antics. Lily was studying him intensely. "Or I could do Harry's favourite spell." Hermione suggested.

Harry snickered. "I think Ron would rather not break his wand again."

Remus raised an eyebrow. "'Again'?"

"When they drove Ron's dad's car into the Whomping Willow." Hermione told them. Harry was met with blank stares before James whooped.

"Must've taught you something then, eh?" He grinned, elbowing Harry.

"So we have two Prongsies, two Lilys, I'd say Ron and me-self are pretty alike, what about good ol' Moony?" Sirius joked. "He must have an evil twin somewhere."

Hermione, Ron, and Harry looked at each other. "There's Teddy." Ron suggested.

"He's a baby, Ronald!" Hermione snapped.

"How 'bout Luna?" Harry proposed.

Hermione raised eyebrows. "I was thinking more Neville or Ginny."

"Neville is more like Frank." Harry grinned. "And Ginny's...well, Ginny is Ginny."

"You are so smitten." Hermione teased.

"Whipped." Ron coughed into his hand.

"Am not."

"You so are!"

"Yeah, mate."

James interjected. "Who's Ginny?"

Harry blushed. Ron snorted. "My sister, Harry's girlfriend."

"She ginger?"

"Of course."

"And when did Prongslet fall for the Potter curse?" Sirius teased.

Harry smiled softly while Ron looked confused at the nickname. Hermione answered. "Sixth year, right after the Quidditch match. She had just broken up with Dean Thomas. Harry had a crush on her since the year started, probably since she grew up a bit and stopped crushing on him. She ran up to him and told him they won, Harry was temporarily suspended from Quidditch see, Harry must have been pleased because he kissed her right in front of everyone, including Ron. They left the common room to go to the school grounds and just stayed together, that was when Gin lost her virginity." Hermione whispered the last part but Ron heard it and immediately went red with fury. Harry flushed salmon and started spluttering. Lily and Remus smiled softly. Sirius and James were catcalling.

"So Harry had already lost his?" Sirius guessed. Harry went beat red.

James frowned. "How come my son lost his before I did?" He demanded.

Lily stared at him. "You're a virgin?"

"Well, yeah." James blushed slightly. "'Was saving it for someone special." Lily smiled slightly at him. Maybe he wasn't that bad.

"Harry lost his in fifth year to Cho Chang." Hermione answered.

Ron frowned. "In the Room of Requirement?" At Hermione's nod, he continued. "I thought you said you didn't go further than your first kiss." He directed that at Harry.

"Harry lost his in fifth, you lost yours in sixth, I lost mine in the summer, what's the difference?"

"Can we please stop talking about my love life." Harry pleaded. "Let's just go see the headmistress before somebody embarrasses me further."

"Got it, mate. But after this we are going to be having a long talk about what else you've been keeping from me." Ron stared him down, Harry rolled his eyes but nodded, Hermione looked a little miffed but brushed it off.

"C'mon then." She told them, leading the past and present out of the Room of Requirement, into the future.

...

I, uh, wrote another?

I might continue this, it might be a oneshot, let me know if you want another chapter.

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Have a great new year

Dexter out!