Guess whose starting a brand new multichapter fic!?

Not sure how many chapter it will have or how long it'll take to update but i'll try and keep up with it.

This is an au of mine where Tom is the Mewman Royal living with Marco, and Star is the Underworld Royal.

Personalities are still the same, species and positions have been flipped.

Hopefully this will work out. ^^;

Feel free to give me ideas and suggestions.

Marco still remembered the day he first met Tom.

I mean, it's kinda hard to forget the first day you got to meet your new roommate, especially when he's an alien prince.

He was called to meet the principle, just some normal boring day, when Principle Skeeves took him outside to introduce him to someone. Marco couldn't help but feel a bit angry, hoping more that it would've been him being seen as more of a "Bad-Boy" or at most being praised for his effort in class.

No, he got called up to meet a new kid.

He was grumpily dragged to the Principle's office door and was told to wait outside, Marco sighed and leaned against the wall...what was he? A Tour guide? He knew he was considered the Safekid of the school, but that didn't mean he had to drag every new student around these halls to tell them where everything was.

As he wondered where this kid would be from the door opened and the Principle walked out with a boy behind him, and the first thing Marco noticed is that he didn't quite seem normal. For one, he had these marks on his cheeks...upside down triangles, and his wardrobe was weird, he was wearing a roundish pale purple hat with horns on it's sides and an eye on it, a red shirt with a star in the center, one single armband on his right arm, a spiked belt, and some plain jeans and boots.

Marco wasn't sure to call him edgy, or just plain weird.

The new kid looked at him oddly, he had pink hair and red eyes that went along well with his strange color scheme, his eyes were even the same color as the eye on his hat! Marco could feel him judging him, but the boy didn't say anything and continued to examine him.

Principle Skeeves spoke up, " This is...Tom..Tom..Butterfly?"

Tom nodded.

The man continued, " He's from some kingdom called Mewni, and he's our newest student...I hear he's a bit of a trouble maker, so i figured who better to look after him than our very own safe kid!". The principle smiled proudly, pushing Marco towards Tom.

Marco grumbled some more, muttering to himself as to not make a fool of himself in front of the new kid, " I'm a misunderstood badboy.."

"Aww come now...you're adorable..." The Principle said, overhearing him, "Just give him a tour of the school and keep him out of trouble..". And with that he walked of leaving Marco with he newest addition to their school, or at least he thought he did, because when Marco turned around Tom was gone.

"Tom?"

Them he heard some angry noises coming from down another hallway, and it didn't take him long to find the boy angry trying to attack the water fountain, "WHAT THE HECK IS THIS STUPID THING?!". In his rage he pulled out what looked like a toy wand and pointed it at the fountain.

Marco at first thought, just assumed he might be crazy, until he saw the wand light up, a green aura that could only mean trouble.

"HEY!", Marco ran up to the boy and pulled him away, the wand dimmed down immediately, "What do you think you're doing?!"

Tom looked at the human curiously, "This device was trying to shoot water at me! I was standing my ground..."

Marco gave him a look, "That's a water fountain, it's harmless...". Marco looked at the wand Tom was holding, it was purple and red all over, it had bat wings, small horns, and a be-jeweled pentagram star in the center.

"Look...I don't know where Mewni is...but that's not how you handle things here in echo creek..." Marco placed a hand on Tom's back and lead him down the hall, " Just stay with me, and you won't have to worry about a thing..."

"Is that why they call you the Safekid?", Tom asked, he seemed to be much calmer now, making Marco wonder if the strange device only turned green when he was angry.

Marco grumbled, "I don't understand why they keep calling me that...". Then he reacted quickly, moving Tom out of the way of glass on the floor and some dangerously open lockers. "Look i get it, i wore a helmet once in the shower...but that was one time..", He sighed, "I'm tough, that title doesn't fit me at all.."

"So everyone here kinds calls you that then?" Tom asked as a girl winked and made a sign at him that said "Call Me".

Earth was super weird so far, and he didn't hesitate to get a bit closer to Marco out of safety.

Marco grumbled, "Yeah, I wish they would stop calling me that...I'm not safe...frankly I'd be happy to have a little danger in my life..."

"Really?" Tom asked, he thought for a moment before pointing his wand and shooting some magic out of it, conjuring a rather large bat-wolf creature in front of Marco. Marco, surprised, jumped back behind Tom as the creature scurried off and chased some kids.

"WHAT WAS THAT?!" He screamed, but Tom look confused.

"What? You wanted danger, so I did what you asked...Earth is weird man..."

Marco stepped away from Tom, "Who...what are you?".

Tom looked at him and sighed, holding out his magic wand, backing up, he magically conjured a multiple array of colorful flames and creatures surrounding him. He smirked at the human, enjoying his reaction that was a mix of amazement and slight fear.

"I'm Tom, a magical prince...from another dimension...", he playfully bowed at Marco, the fire dimmed down behind him, " But honestly that title sounds really corny and kinda lame so just know that I've never been to earth before...your magic seems weird.."

Marco was still looking at the boy in shock, not even replying to him and denying the existence of magic, he backed up, "You know what?...forget the tour, you show yourself around...I'm going home.". Tom looked at Marco, almost a bit sad.

"Did I do something wrong?"

Marco pulled the hood of his hoodie over his head, backing up and away from the new boy, "What? No no...I just think..someone like you, doesn't need someone like me...". Marco didn't try to hide the sarcasm and cruelness behind his voice, between the magic, and the water fountain, this kid was far from the person he wanted to spend the rest of his time with.

He'd be lucky to make it home alive.

Marco turned to leave, not even facing the strange boy who looked almost as if his world blew up.

"Oh well...see you around I suppose?" Tom called after him as Marco kept going.

Marco didn't turn around and kept on going.

If he was lucky, he wouldn't see that kid again..

Marco arrived home rather late, he tried to wash Tom out of his mind as best he could by visiting a local Mexican restaurant and meeting up with Alfonso and Ferguson. They weren't exactly "Cool", but at least they were normal, and they weren't likely to blow up the entire school.

And he could rant about his day and allow himself to let all that stress out, which he was thankful for.

He sighed, at least he was finally home so he could relax.

That was, until he opened the door to find his parents talking to a very familiar boy with a horned hat.

"MARCO!", His mother excitably called out to him, "Come meet your new roommate Tom! He's the new foreign exchange student whose going to be living with us!". Tom awkwardly waved to him from between the couple on the couch, "Didn't the principle guy tell you? I kinda need a place to stay while I'm here and since I guess you guys take in all kinds of kids...they figured you'd be perfect.".

Marco was still in shock, his brows folded and he crossed his arms.

Angie pulled Tom up off the couch and practically presented him to Marco, "Won't it be nice having Tom's feisty personality around the house?"

Marco grumbled, "We don't need Tom's feisty personality, this house is crazy enough..."

Angie crossed her arms, "Marco, stop being rude, why don't you go help bring Tom's things up to his new room? He should start getting settled in, and i'm sure you two are going to going to be great friends once you get used to each other...".

Tom smiled gently at Marco, almost as if he was trying to apologize for earlier.

Marco gave him a look, he wasn't eager to have this kid as his friend, not at all.

Marco found Tom's bags at the end of the stairs and picked them up, Tom followed after him as they went upstairs.

This day was only getting better and better.

"I-I'm really excited to be living here with you...Marco." Tom said, as they reached his bedroom door, "I mean, I'm familiar with earth culture and stuff but I've never really been here before, Mewni kinda used to keep me from doing much traveling..."

He laughed awkwardly, "But honestly anything is better then home so I hope this'll be cool and stuff..."

Marco finished dragging Tom's things to his door, panting, just how much did this kid need? These bags might as well have been filled with rocks they were so heavy.

Tom noticed his pain and picked up one of his bags with ease much to Marco's surprise, "Thanks for helping, i'll take them from here...". He opened the door to the plain old guest room and bit his lip, this was far from a room suited for him.

He put his bag down.

"Eh, this room is too plain and boring..." He pulled out his wand, making Marco slightly worried, "But I think I might be able to work with this...RADIENT ROOM TRANSFORM!". Marco watched in awe as the room expanded into a slight tower sticking out of his house, it had weapons on the walls, band posters all over, strange magic devices, videos games, a ping pong table, and even a nice double bed with flamed sheets.

Marco could've sworn he also saw a small cage with a bunny in the corner as well.

An edgy room, perfect for Tom, it matched him all too well.

Tom smiled to himself, "I've been working on that spell for awhile, good thing it worked this time...otherwise you guys might not have had a roof anymore..." .He smiled bashfully at Marco, "Sorry bout weirding you out with my magic stuff earlier...I didn't know it'd freak you out so much...although I'll admit it was kinda funny.."

Marco gave him a look, before pushing him aside to enter the boy's new room, he looked at it in awe.

He couldn't deny, he was really impressed.

"Man, I wish my room could look like this...", He said aloud.

"Really?" Tom asked, eyebrows raised.

"Yeah?", Marco said, suddenly embarrassed.

Tom grinned, maybe this would impress Marco.

Marco felt his stomach drop when he saw Tom start running down the hall towards Marco's bedroom, he chased after him, "Hey, wait-! Don't do anything-".

He caught up to Tom, who stopped in his tracks before he did anything to Marco's bedroom, it was like he was frozen in place and unable to move. Marco looked at him like he was crazy, until he realized it looked as if Tom was about to cry.

"Tom? Is everything ok?"

That's when he noticed the wand lighting up, a green aura taking over and before Marco knew what was happening a green hole erupted inside the boy's room and started to suck everything inside of it, Tom snapped out of his stance immediately and started to panic and hold the door frame.

"CLOSE THE DOOR!", Marco shouted, clinging onto Tom for support.

Tom used all his strength to get back into the hallway and close the door, which bizarrely kept the portal from sucking anything else in.

Then they saw the green light from under the doorway fade, the portal must have vanished.

A panicked Tom turned towards a terrified Marco, "Marco i'm so sorry, I don't know what came over me I ju-"

"Save it..", He interrupted.

He didn't mean to sound so mean, but he didn't want this, he had enough today.

"Look, I don't know where you're from, but I can't live like this...I've gone through countless exchange students in my home and I'm tired of this, my room is gone, and i'm not interested in babysitting another troubled kid who could kill me in an instant...look if you're moving in, i'm moving out..." Marco lashed out before angrily turning away and heading down the stairs.

But not before a heartbroken Tom's wand turned green and set a rain cloud upon the human on his way out.

Tom looked out the window to see him leave down the street.

"Great job Tom...you did it again.."

Marco was wet, no he was soaked.

Standing outside of a store, at night, scaring away customers with his enragement. He wasn't even allowed back in to even get a refill on his drink because of the cloud. Ugh, he had to get a new foreign exchange student didn't he? A magic one.

It was just his luck to get a dangerous magic child in his home.

He sighed, maybe he'd been too cruel to Tom, but between how many times he could've gotten him killed today...Marco tried to tell himself his anger was justified. But then again Tom was the new kid and this was all probably strange to him, he needed to make friends and feel welcomed in this new environment and neither happened since he got here.

He felt guilt welt up inside him for yelling at Tom, sigh, maybe he took it too far judging him so soon, he tried to deny his guilt but it was hard not picturing Tom's sad face.

He muttered to himself until he heard a voice behind him.

"Marco?"

Marco turned around to find a familiar pink-haired boy shyly staring at him, Marco was originally going to turn around in anger at him, but his face softened at the sight of how sad he was. Man, now he really felt bad about lashing out at him.

"I-I'm sorry Marco.." Tom said, sighing, "Earth was supposed to help me, help me control my emotions so my magic didn't hurt anyone... and I've already hurt you within one day of being here...". He looked miserable, he took out his wand and got rid of Marco's cloud in an instant, " I'm sorry about your room, I already fixed it and got everything back when you wanna go back home..."

Marco wanted to reach out to him, but Tom kept on going.

"And...If you really don't want me there it's fine, I understand, It's not exactly the first time..." He awkwardly laughed to himself, "But it's ok, I can just...find another family to take me in I suppose...if you really don't want me there."

"Tom..I-" Marco started, before his eyes grew wide.

"T-Tom?"

"Yeah?" Tom said, expecting Marco to be angry with him, but instead feeling a presence behind him and turned around.

Monsters, a good few of them too, in many shapes and sizes.

All angry.

Tom grumbled, "What? You guys think just because i'm off mewni you can just waltz in here and take my stinking wand?".

They got into fighting positions, ready to take out the mewni prince.

"Marco stay back I-", Tom said before being cut off by a defensive Marco, who through a few kicks and hits took down one of the monsters.

Tom was speechless, "Y-You can fight?"

"What? You don't have karate back on your home planet?" , Marco said, smirking and continuing to fight against the group. A Smirking Tom held out his wand, "I've never had anyone fight with me before, this should be fun...just watch yourself safekid.."

Tom was also pretty good at fighting on his own, with some hits and kicks, but he was strong with his magic. Shouting out spells that sounded rather silly to Marco, but caused a whole lot of damage to the monsters, giant fiery bats, raining bears, venomous wolfs that came in hoards.

Marco couldn't hide his amazement, he was pretty good at magic when he could control himself. Marco helped push some more guys down and soon enough they were starting to retreat, fearing the angry prince and his new sidekick, they escaped through a portal, bruised and terrified.

Tom panted, smiling at the human.

"Marco, that was amazing, you were amazing..." Tom said in glee.

"We were amazing.." Marco corrected, "That was a lot of fun...does this happen to you a lot? Being attacked by monsters and stuff?"

Tom shrugged, " Sometimes...it's a long story involving my family and junk, but I should get ready to pack up and head out...".

Before he could leave, Marco stood in front of him, "No Tom, look I was being stupid, I Judged you too hard and I should've never lashed out at you...you're in a new environment and you're still learning and I really should've considered your own feelings..."

"Yeah but I screwed up, I ruined your room and I scared you.." Tom sighed, " You don't have to-"

"Yeah, but i'm still here right?" ,Marco said, "And you managed to fix my room...so, it's ok. You didn't mean to...no hard feelings..ok?". He walked up closer to the boy and smiled, " I know I don't have to, but if you're having trouble with your emotions...maybe i can help? I mean, I know what's like to have trouble making friends and handling things...so maybe I can help make things easier for you around here?"

"You'd do that for me?"

"Yeah, it's the least I can do if you're going to be my new roommate..", Marco sighed, "Just... be careful using magic around the house ok?"

Tom smiled and pulled Marco in for a hug, "Thank you...you won't regret this, I promise..."

It took Marco a second to register that Tom was hugging him, then he hugged him back, smiling. Y'know, maybe this wouldn't be so bad, he could go on exciting adventures, fight monsters, and he could even help someone handle their problems like a psychologist.

The separated and Tom grinned, "Sorry, back home I really don't get hugs..."

But Marco smiled just as wide, "C'mon...it's been a long day for both of us and we better get back home..."

Tom agreed happily.

The started walked along the sidewalk, Marco making sure Tom didn't step on anything dangerous or heading into the street.

Tomorrow was a new day.