Another new story? But I just did a new Gravity Falls story. Yes I did and this one was also one of the idea mentioned beforehand and god Wolf and I really had fun with this one. This story is a Gravity Falls idea mixed with a few other elements but mostly a popular web comic I know most of us enjoy. Truth be told I saw this idea in a story before but I don't remember where. But even so they seem to have abandon that story so when I remembered it I use it as the base before adding and growing more to it. and truthfully Wolf and I had a blast with the chapters we already made.

But no one cares about that, hell I'm not eve sure if anyone reads these notes. Rather the continue to bore you with the details, here's a major twist to Gravity Falls, and the twins will never be the same.

Disclaimer: Wolfpackersson09 and I don't own anything from Gravity Falls nor the other franchises that are featured in this story. They below to their respected owners and we earn no profit from this. This is simply for fun so enjoy.


A Strange Engagement

~Chapter One: The First Meeting~

Stan Pines walked into the living room of the Mystery Shack with the mail just delivered recently. He mumbled to himself as he shifts through the envelopes. "Bill," He muttered before giving it a small toss to the waste basket. "Bill…bill…shred" he tossed an advertisement flier for a certain child physic he hated most to the side to shred or burn later. "Oh, my latest issue for Gold Chains for Old Men magazine." He grinned at them before he tossed that to his chair to read later. That was then did he notice the final item. It was a bronze envelope with no stamp but his name on the front. The problem however it was his real name of 'Stanley Pines' rather then his brother's name 'Stanford Pines'. He flipped it over to see the sealing of the letter was a small wax skull. "Yeah nope," the conman muttered before ripping the letter in half before tossing it away.

He then took the flier and walked over to his office and his shredder, whistling a small tone. After taking great pleasure in shredding the flier he clapped his hands clean before he noticed something else. The letter was now on his desk, fully in tact like he never ripped it. Stan scowled before he grabbed the letter and pushed it through the shredder. Once destroyed Stan seemed pleased with himself and started to walk out of the room, only to stop as the letter was once again appeared. Only this time it was not only intact but now floating in front of him. Stan made a disgruntled noise to show his annoyance before he grabbed the letter and started to open it. Normally Stan would be stubborn and ignore the letter for a few days to a week, but with his great niece and nephew here it would no doubt draw their attention and he didn't want that.

"Dear Stanley Pines," Stan muttered aloud as he read. "The time to fulfill the contract made thirteen years ago is approaching." Stan paused, "wait its been thirteen years already?"

Stan quickly read the rest of the letter before his face went to an uncomfortable grimace. He knew this would be hard to explain but he knew there was no way out of this. With a sigh he left his office and down to the gift shop to find the twins, Dipper and Mabel.

Luckily they were inside in Gift Shop, talking to Soos and Wendy, hearing about them talking to his employees about the wax figures that were apparently alive and how they took care of them after they a tried to kill him. Stan knew this since he believed them when they tried to explain even if he played it off to try and protect them. It all seems like it was all for nothing now. He stepped into the room, "Hey kids, we need to talk."

"This can't be good," Dipper muttered, gaining a feeling of dread.

Stan let this slide since the topic he was going to explain was both complicated and no doubt slightly embarrassing. Time for something subtle. "Uh…Mabel, remember how you have been looking for a boyfriend this summer? Well good news; you don't have to look anymore."

"Yay!" Mabel cheered before she blinked, "why?"

Stan tried to find the right words before he decided to be blunt, "ah screw it, because you are engaged."

"I'm/She's what!?" The twins shouted, even leaving Soos and Wendy dumbfounded and speechless.

"Oh don't worry," Stan assured them (which really didn't help matters), "Dipper's engaged too. In fact more so then Mabel."

"What?" "Really?" "When did this happen?" "How is it more?" Were the replies/questions that twins said to this statement. Although Wendy added in a deadpan tone, "you finally decided to sell them."

"I didn't sell anyone," Stan said, disgruntled by the claim.

"When did this happen?" Dipper repeated, hoping for some answers.

"Is he cute?" Was Mabel's most important question in her opinion.

"I don't know," Stan admitted, "But it's a long story."

"Then start talking," Dipper said, normally not this aggressive with his great uncle but this was a very serious manner.

Stan shrugged, "when you two were born, I went up to see you rugrats. I was over the moon and I nearly got into a fight with your grandpa to hold you before he did. But I was happy to see some new members of the family." He smiled sincerely here, a true smile as he remembered that day. "I was feeling good about myself so I decided to celebrate the best way I know how…by going to Vegas!"

Dipper groaned and rubbed his eyes, "that's so cliché."

"Don't you get married in Vegas, not get someone else?" Wendy asked, finding that strange.

"Did you actually get married Mr. Pines?" Soos asked, slightly excited.

Stan ignored them. "I hit a few casinos until I got to a certain one, A Snowball's Chance. Trust me with the owner it makes more sense. I was getting lucky, cheating a little, and winning lots of cash. Then one evening I was approached by someone. At first I thought it was security and was ready to bail but it was the owner of the place."

"And you got kicked out" Dipper guessed.

"Wrong" Stan corrected him. "In fact, he was impressed by everything. He even offered me a seat at a VIP, high stakes poker game. Not seeing a down side I agreed and was taken to a private room where the other players were. That's when I found out who the guy was the devil himself. And the other players were big shots of the Underworld."

"WHAT!?" everyone called out, stunned at what he said.

"Please say you still have your soul!" Soos begged, not wanting anything to happen to his favorite boss.

"Mr. Pines, even I know it's a bad idea to mess with the devil" Wendy said, shocked that Stan would do something so stupid.

"Hey he didn't look like the devil," Stan pointed out. "Heck he looked like a girly pretty boy. Some of the other guys however," he chuckled at the memory "now they looked the part."

"I'm almost scared to ask who else was there," Dipper said, not sure how the conversation went from their engagement to Stan playing poker with the devil and other demons no doubt.

"Yeah, the guy I thought was the Devil was a red skinny guy that dressed like, I don't know, a cross between a pimp and Santa Claus with crab pincers for hands, another player was some weird Japanese shapeshifter named Aku, then there were two people that were pretty okay with a Ghost King named Danny and the Succubus Queen Morrigan, and a triangle with an eye and stick figure arms and legs named Bill. Oh, the Grim Reaper was there too." Stan continued with the group being worried about Death being there. They knew Stan was fine because he was there mentally, but the story still had them shocked.

"That sounds like even worst odds for you," Wendy pointed out getting the others to nod.

However Stan chuckled, "normally I would agree, but I was new to them; I wasn't considered a treat to the others. So while they were trying to screw each other over, I was able to fly under the radar and keep winning."

"But how does that lead us to being engaged?" Dipper asked as Mabel was also curious about the arrangement. It was one of a number of questions that he wanted to ask, and for good reason as it didn't seem like a poker game situation.

"Long story short, we played, we drank since Lucifer and Danny both brought come really good wine from their homes, got drunk, talked about family, and gambled on arranged marriages in the pot, which I won. The letter came in saying that it's time for it to happen, so there you go." Stan finished and it was an odd tale, and it was certainly an odd one. "And I keep my soul as a bonus."

"Did you just win them getting married and able to keep your soul?" Wendy asked, since she personally felt that was a weak pot in her opinion.

Stan scoffed, "oh please those were the best perks." He started to list more stuff off his fingers, "I also won several thousands of dollars, own a private island in the Bermuda triangle with a vacation home, a decade of extra years which pretty much means I get ten extra years to my lifespan without worry of diet and exercise, more of that wine Lucy and Danny brought to the game, a couple of free spa trips for places Morrigan owns (full service included) and finally a 'get out of eternal torture' free card." He held said card up for them to see before glancing back down at it. "which pretty much can let me do anything I want with no consequence to my soul."

Every was quiet at this though Wendy gave a whistle at the prizes the man won. Dipper shook his head, trying to calm himself down since the most important part still needed to be touched upon. "You said there was a letter that came?"

Stan sighed, expecting this before handing the letter out for Dipper to read. The boy took it and started to read aloud, "Dear Stanley Pines. Wait I thought your name was Stanford."

Stan rolled his eyes, "it's the name I used during the game. Like I would use my real name in a poker game like this…even if half of the guys turn out to be okay."

Dipper gave him a glance but read on. "The time to fulfill the contract made thirteen years ago is approaching. The Engagement of Ma-Dipper! I mean Dipper Pines!" he clears his throat and continues "and Mabel Pines with the heirs of the Lords of the Underworld shall take place upon the twins' thirteenth birthday at the end of August. To prepare and make this contracted marriage go as smoothly as possible, it has been agreed that those in the engagement will spend the summer together. After this letter is open all parties expect for one will meet outstand your home to make proper arrangements within the hour. Please be ready for our arrival at the allotted time.

Sincerely yours: Lord Grim, Lord Lucifer, Lord Phantom, Lady Aensland, Lord Aku and Lord Him."

"Lord Him?" Soos echoed, finding that name to be the one that stands out the most to him.

Stan shrugged, "yeah he was the clawed crossdresser guy. I never heard his name nor do I care. Everyone just called him by Him."

Dipper was reading the names and from the sound of it the twins were marrying more then one person. "How many are we engaged too?"

"I think we're about to find out," Wendy said, pointing outside.

They all ran to the window to see a large swirling green and red portal. They could not see what was beyond that before a black and red horse drawn carriage, pulled by two skeleton horses. The carriage rode until it stopped in front of the shack, before another carriage appeared and followed the first. More and more carriages appear until the portal closes up and all six carriages stood in a line. Everyone walked out of the gift shop and stared at the sight. Soos held his hand up to touch one of the horses but pulled it back when it snorted.

The first carriage door opens and a tall figure stepped out. It was a tall cloak wearing skeleton with red insides. His skull with the long jaw and square chin was visible as were his bony hands. He was holding a simple scythe on a black staff. Everything else was covered in the black cloak that stretched down before thinning at the waist almost cartoonish before it drapes at the feet completely covering them. Next to him a normal looking woman stepped out, with long blond hair, red eyes, wearing a revealing a black top with a red design in the middle with a red orb, fitting black bottoms that looked more like panties and a black cape with feather like attachments. The Grim Reaper with his wife Mandy, a woman of great evil. Wendy whistled at her daring and thought the woman was a badass.

The other doors open showing a pale skin man with snowy white hear, wearing a black and white suit with a cloak over it. on his head was a crown that was on fire with green flames floating just above his hair. His entire form seems to glow, even more so the eyes. Next came a woman reminded the others of Poison Ivy with a dark leotard outfit with vines like patterns in it. Her hair was short and kept in a small upright ponytail and much like the other man her form was glowing. This is the Ghost King Danny Phantom and his Queen Sam.

The next one looks more normal with fair skin and long red hair for the man wearing some armor and a cape while next to him was a silver hair maid. The actual devil himself Lucifer and his wife Grayfia.

The next carriage held a woman, a very attritive woman at first glance with a leotard and tight combo showing a large amount of cleavage and white fur lining. Her hair was long and green with two bat ears sticking out of the top of her head and two large ones from her back keeping her floating off the ground. The queen of the succubus, Morrigan Aensland.

While the others look human or mostly human, the next one was anything but. The form was tall, taller then the others with inky black skin, his face which is green and monkey-like with sharp teeth, an open white nose and big eyes. He has big pointy shoulders and has six horns bending upwards sticking out of his head. His eyebrows and long beard are made out of flames or in the beard's case looked like flames and he wears a long black and red toga that seems slightly out of place in Mabel's opinion. Aku, the Shogun of Sorrow.

The last one the other recognize by the description Stan just gave them. His red skin clashed with his red suit with a black tie, white furry collar coat draped over it and black sunglasses over his eyes. His hands were wicked looking claws that could not found on a monster crab. The demon only known as Him.

"Stan!" the devil called out cheerfully. "Good to see you again!"

"Hey guys," Stan greets with a small grunt and wave.

Mandy stared as if studying him, "So you're the man my husband lost to and got this whole contract made."

Here Grim flinched at this reminder as did Lucifer and Danny. They all remember the less the happy reaction their wives had after coming home, even more when said wives were glaring at them now. "As amusing as this is," Him stated, his voice seemed to echoing by itself. "It seems we're short a party."

"Bill Cipher is in the Nightmare Realm" Grim stated as if reminding the demon. "He can't come to the mortal world so easily."

"But his child is here in this town," The ghost king added as well, giving him a look. "He still has his part of the contract to fulfill even if he is not present."

"My mistake," Him said though the hiss told them it wasn't.

"Then how did he get in the poker game in the first place?" Stan asked as it was more a curiosity then an actual concern.

"It was a special dimension that had unique rules for allowing us to play, but it cannot stop any prior seals or other commitments." Lucifer said as it was acceptable, but still confusing.

"Bah, we came here because of the contract, and now is the time to fulfill it. I, Aku, have proven to be a demon of my word. Unlike you, who has already attempted to cheat the Shogun of Sorrow." Aku said as he was one of the only two present that really seemed to be scary. The other being Him, but they wouldn't really say that as they noticed.

"Oh really? This coming from who is constantly defeated by a single mere mortal in battle?" Him attempted to counter, and it seemed to rile the shapeshifting Demon Lord up.

"A mortal who has trained with the greatest warriors since his youth and wielding the only weapon that can oppose me. Although, it is more shameful to lose to a trio of girls who are not even trained warriors, and before they were even teenagers." Aku said with Him starting to get riled up.

"Three little girls who possessed superhuman abilities, and even then, I was able to match them or trick them for quite a bit." Him and Aku started to get in each other's faces before the green haired beauty stepped between them and stopped them from fighting.

"Now boyo's, we're not here to fight. Let's be civil about meeting the lad and lass that will be part of the family." She said with a flirtatious but diplomatic way.

"Did you understand any of that?" Wendy asked, more the a little lost.

Soos however was able to follow it easily, "the big guy, Aku I think, has an enteral rival with a highly trained warrior. And Him, he faces a trio of superheroes with powers but has gotten certain victories but not an outright one."

Dipper knew things were getting off track and stepped forward to try and talk to them. "Listen everyone, I know why we're all gathered here. Sure, I only found out not even ten minutes ago, but let's all think for a minute. Do you really want to go through with this? You're all powerful figured of the Underworld, Mabel and I are just simple kids, do you really want your heirs to marry either of us?"

He thought that maybe logic might get through to them, but he was mistaken. Aku shifted and stretched till his face hovered over Dipper, increasing the size so he covered most of the boy's vision. Dipper leaned back and backed away as the demon lord growled at him, "are you saying you're too good for my little girl?"

"No!No!Never!" Dipper denied quickly, his life flashing before his eyes, "I mean you daughter is probably way out of my league. Same for the others."

"Are the boys at least cute?" Mabel asked, seeing this as the most important part of this whole thing.

"Mabel!" Dipper shouts to his twin, not wanting her to make things worst. Thankfully at least his earlier comment seemed to appease Aku, allowing his form to retract and return to his place.

"Look kid," Danny said, getting Dipper's attention. "I can understand what you're saying. If I had my way, my daughter wouldn't be allowed any sort of boyfriend until she's over one hundred thirty years old."

This caused most of the other fathers to snort or made a noise of agreement, expect for Him who was chuckling outright. Next to him Sam glared up at her husband. "You lost that privilege when you played that poker game. I don't even know what was going through your head to lead to this mess."

Morrigan gave an amused laughed, "oh Danny here and Lucifer both got their own bottles of some of their personal wines. After we sampled enough to have them added to the pot, the two high level wines really took their toll on us as we drank more. After which Stan here starting to gloat of his adorable great niece and nephew, getting some of the others to gloat how their babies are the cutest or the best."

The fathers (expect Him) all made grunting noises again, none denying this as that was how they remember it as well as each thinking their own was the best/cutest. Even Stan gave a chuckle, remembering the mess that came after he woke up near the end of this mess.

(Flashback)

Stan groaned and opened his eye, before forcing them shut as the lights blinded up. Worst was the major headache that all but crashed into him. He knew this feeling and was either one of two options. He rolled off his back and mumbled, "what happen? Did I end up getting a fight in prison again?"

"Thankfully none of you are in jail," a voice that was way too cheerful for his liking informed him.

It took a minute for Stan to finally be able to open his eyes and look around the room. He was getting off the floor or a fancy room with a bar, a round poker table, chairs and the rest of the contents that were the players around mostly on the ground. He saw Grim was a pile of bones, moaning with his cloak next to him. Not too far away Lucifer was laying on his front, his cap draped over him as if to protect him from the painful light. Danny was floating up air, just barely gaining consciousness, wearing a black top hat while his crown floating on a spot on the table. Him could be seen draped over the table, missing his pimp coat and face down in a pile of poker chips. He could see Morrigan on the floor, cuddling with a woman he hasn't seen before. Her skin was green of all things and her hair and dress was a very very deep black. Stan wondered what happen as he pulled himself up to the poker table. He noticed that there was a very large pile of poker chips as well as two wine bottles and a few other assorted items. On the very top of the pile was a small animal, an axolotl of all things, that was gold and glowing while had one closed eye in the center of its face.

Stan glanced to the right to see a smiling skeleton waving at him. It took Stan a moment to remember who this skeleton was. He was none other then Jack Skellington, the pumpkin King and Lord of Halloween. He was the official bookie and dealer for this game, being both honest enough to make sure no one cheats out of their winnings but also strong enough not to be pushed around and intimidated. "good to see you are all starting to return from your, I will admit, amusing state of being. I hope the trip wasn't too taxing."

"I don't pay taxes," Lucifer mutters, pulling himself up by his hands holding the table, his cape still over his head to make it easier.

"Same here," Stan admits with an amused chuckle.

"Good for you," Grim mutters, jerking his head to face Jack, "Jack be a brother an' help me up."

Jack smiled and with his magic waved his hands and Grim was pulled back together cloak and all. Morrigan was the next to rise up, stretching her arms, wings and back to get herself going. "Well that was fun."

"I disagree," the other woman said, pulling herself up. She rubbed her head before glancing down and seeing her body. She shrugged before shifting in color and form to show it was really Aku.

"Whoever is being loud," Him said in his echoing voice before ending in a darker tone, "Stuff It!"

"That be you, meaty claws," the axolotl informed him, the body glowing as it talked though no mouth could be seen. It opened its golden eye with a slit pupil. It seemed to notice it form and gave the impression it was annoyed, "okay who's the wise guy?"

The animal rose up and shifted to become a floating triangle with a large single eye, skinny limbs and a bowtie. It rubbed the side of its head before noticing something "where's my hat?"

"Here Bill." Danny said, floating back down and tossing the hat to him. He then lifted his flaming crown up before moving back into place.

Seeing all the guest all back up, Jack addressed them all. "Gentlemen, …lady, I am happy to inform you that the game is over and we have a winner of the pot."

"Excellent," Him said greedily. "How much did I win?"

"And the winner is," Jack said, ignoring him. "….Stan."

All around the table there were cries and groans of disappoint, to angry outcries such as Him's 'WHAT!?' to Bill's 'You're lying!' but among those was Stan's loud cheer in celebration "Woo-hoo!"

Jack himself chuckle, finding great amusement of the whole thing as well at what their reactions will be once they hear 'what' the final deals of the pot.

(ends)

"There is no getting out of this I'm afraid," Lucifer informed Dipper, recalling his earlier comment. "The contract is binding of our words and power, making it impossible to break them. To try and back out of the contract or deal life threating injury to any of the children in question would reap a terrible punishment on the souls of all-party members. That includes not only those that made the contract but your own soul and the other children as well."

Dipper stared bewildered at this news, he wasn't the only one as all but Stan either gapped or stared at them. This was even worst news then being told they were to be married. "Why is there such a clause!" Dipper squeaked loudly, unable to help himself. "Who put that in there!?"

None of the Lords of the Underworld could answer, hell they were all looking anyway; refusing to meet anyone's eyes. Even they were sure who placed that clause in the contract, only knowing it was one of the most powerful ones they have ever made. From the look of the wives of the group, none of them were happy about that either.

"None of us can stop it," Mandy said firmly, getting their attention, "we know this, so let's not waste time trying to dance around the issue." She turned to the carriage still open down, "Junior, Mini, come out and meet your fiancés."

Two individuals stepped out of the carriage that Grim and Mandy came out of, and that's when everyone was received with a sight they did not expect. They had thought that they might be skeletons, or some other creature. What they got were two individuals that were pretty normal looking. The first to step out was a boy with grayish blue eyes and brown hair that had some length to it, allowing for a small ponytail and bangs. His outfit was also pretty normal as it was dark gray pants and a long sleeve hoodie; he didn't seem really happy to be here.

The next was also a normal girl, but she was attractive with reddish brown eyes, blonde hair that was at her shoulders, and was starting to develop in areas that would draw a guy's attention. Her outfit was more unusual as it was a single leotard with dress shoes, stockings, and was finished with a cape that was held together by a cartoonish skull clasp.

"Greetings, my name is Mini-mandy, sister of Grim Junior. It is a pleasure to meet my betrothed and future sister in law." Mini said as she had a slight curtsey to add with her noble speaking.

"Hi, I'm Grim Jr." Junior just said as he wasn't as happy to be here, considering he had no idea he had a fiancé until then.

Mabel looked at Junior, taking his form in and gave a small "oooh."

Dipper rolled his eyes at his sister's antics before addressing the siblings, "sorry you are getting dragged into this. I can safety say none of us want to be here."

This surprised Junior, causing him to offer a small smile. "At least I'm not the only one. I didn't even know about this till mom and dad told us two days ago."

Dipper gave an understanding look, "still better then us, we literally only found out about ten minutes about."

Even Junior had to wince at this, recalling how badly he reacted when he first found out. He was still upset about it but even than he had no time to go through his feelings. Mini glanced at he two boys, slightly happy to see her brother is able to get along with her fiancé. Her gaze shifted to Mabel who was eyeing her brother, causing her to frown.

Not far away Danny took a deep breath as if he was about to do something he didn't want to. "Dani…time to come out."

Once called the figure exits the carriage and stood next to her father. Dani looked normal with black hair, blue eyes and fair skin. She wore a blue hoodie, red shorts and a red beanie on her head. Seeing them she smiled and gave a small wave. Mabel leaned over to peek pass Dipper and into the open carriage. "Where's this Danny guy?"

"I'm Dani," the said girl explained, puffing her chest in pride and pressing her thumb to it. "With an 'I'."

Mabel gave a small moan in disappointment, Dipper would have told her off if he did have a sudden realization of something he didn't think about before.

Lucifer seemed slightly amused when a girl with hair the same crimson shade of red, peeked out from the open carriage. "Is it time for my own introduction?"

Grayfia nodded, "indeed Rias, come and meet your fiancé."

The girl beamed and skipped out of the door excitedly. Her appearance got Dipper to blush as she was older around Wendy's age with a very developed figure wearing some sort of school uniform. She smiled at them all, though there was a glint in her eyes that reminded Dipper of Wendy for some reason. Speaking of Wendy, her eyes went wide seeing the girl before she exclaimed, "Rias!? Dude is that you?"

Rias blinked before she noticed the girl, "Wendy, what are you doing here?"

Wendy laughed and thumbed towards the Shack, "dude, I work here. You're in Gravity Falls again."

"You know her?" Stan asked, taken aback since he didn't think anyone besides himself in town would even know any of these guys.

"Rias came to Gravity Falls once from a summoning the guys and I did as a dare" Wendy explained with a shrugged as if it wasn't a big deal. "We didn't think it actually worked until Rias showed up. She's actually pretty cool and hangs out with us every now and again."

"And you were giving me lip when you summoned a devil," Stan said with a slight glare, recalling how Wendy thought he was a fool for what he did.

"It was the daughter of 'the' devil and she's cool," Wendy countered him. "You played a high stakes game of poker with the actual devil himself which was crazier then what I did. No offense man." This last part was added to Lucifer, who waved her off understandably.

Morrigan giggled at this, "and here I thought this was going to be slightly boring. Glad to see I was wrong. Lilith dear…"

The next girl was lean and around the twin's age. She wore her own version of Morrigan's leotard but a more violet color and less fur. Her hair was short and lavender color and had her own set of wings on her head and back. She didn't say anything but smirked as she eyed Dipper and Mabel with a look that made Dipper slightly worried. Morrigan noticed and giggled, knowing her daughter will at least enjoy herself and have fun.

Seeing no reason to delay Aku called into his carriage "Chi, come out and meet the others."

"No."

The soft yet firm reply had the humans of the group taken aback. Aku himself gained a small annoyed look before he made a strained smiled as he tried to cossid his daughter out. "Now sweetie, don't you want to meet all the others? Your fiancé is out here."

"I am not marrying some stupid boy!" the girl's voice called, giving them the impression she was crossing her arms in angry.

"There's a girl here too," Aku pointed out, trying to appease her. "He has a sister that…"

"I don't care!" the girl denied. "The only one I wish to marry if Mimi."

Aku growled in annoyance before shrinking down and pushing his top half inside to talk to his daughter. Next to the demon, Him looked very amused from the smile and chuckle he gave out. Then he noticed someone peeking out from the door of his carriage, causing him to sigh. "Fine, let's get this over with."

A strange girl exits out and stood next to him. It was clearly his daughter with the same tone and color skin, dark long hair and two smaller claws at the end of her arm where her hands should be. She wore an outfit similar to Him, only with the end of her coat ended in a short skirt showing much of her leg that wasn't covered in her tall leather boots. Besides her skin and claws the signs she wasn't human came with the horns sticking out of her hair and a long tail behind her. She said nothing as she stood my Him, looking bored to be honest.

Aku pulled himself out with a grunt, still failing to get through with his daughter. He did however notice Mimi and an evil grin appeared on his face. He turned away from the carriage with his hands behind his back before stating loudly and non-chantey. "Oh Mimi! What a present surprise. I didn't expect you to be here."

A gasp could be heard from inside the carriage before a black streak rushed out and pulled Mimi into a binding embrace. Mimi didn't have any sort of reaction besides blinked as the new girl held her tight. "Mimi, I have the worst news. Father is saying I am engaged to someone that isn't you. I will not marry some stupid boy no matter what father says."

As the group looked at Chi, taking her appearance in. Like how Mimi showed she was Him's daughter, Chi showed she was Aku's. her skin was the same inky black with the exception of her face which was pale, giving the appearance it was a mask. Her hair was long and burning orange with four black horns like her father's peeking through. Her eyes were a vivid green and her eyebrows were also on fire, with the flames seeming to sweep backwards.

"Now that everyone is here," Mandy stated, wanting to get this moving along, "let's finish this. Where will they all be staying?"

Stan gave her a look before thumbing over his shoulder to the Mystery Shack.

The Underworld group took one look at the Shack, and pretty much agreed. "Nope." Said Grim as he was not impressed with the building, as it was essentially falling down.

"You don't expect my kids to live in this beat down piece of crap place do you?" Mandy asked as she had a glare.

"Lady Rias should not be staying in such a place."

"You're right Grayfia, my darling daughter is too good to stay in there." Sirzech agreed with the maid.

"Dani's not staying in there!" Danny said as his wife also added her own two cents. "Points on the run down bit, but it's not safe. If a ghost says that, then you're in trouble." Dani rolled her eyes at her parents.

"Of course my daughter will not stay here." Aku nodded as he spoke, indicating that he was also not impressed.

"Of course, after all if you're a powerful demon, you need a sense of style." Him said as he also wasn't impressed, though he still came off scary. The only one that had a difference of opinion was Morrigan.

"I've seen worse." The Succubus Queen Said despite the groans of some of the younger ones.

Stan gave them all deadpan looks, not too insulted since he heard it all before. "Well sorry to disappoint you but that's my house. I don't own anything else besides that vacation home I won." Here Him gave an angry hiss at the vacation home he lost all those years ago. "Besides the twins are staying here for the summer. And you guys want them all to get to know each other better before they get married. There's nowhere else here for them."

"Then we'll make one," Grim stated firmly.

Stan raised a brow. "And how are you going to do that?"

Morrigan gained a smirk which she shared with the others, "I think Stan here is underestimating us."

"Really Stan," Danny joked with a small chuckle, "you should know better then that."

Stan rolled his eyes, but he too gave a small chuckle, "just don't blow up the shack."

"We'll consider it," Grim muttered as he moved forward, Lucifer, Danny And Aku right next to him. Morrigan flew up above them while Him didn't move, not really caring too much to put any effort into it. The five lords started to gather power, Grim holding up his scythe, the others held their hands up. Grim stemmed the staff of his scythe into the ground, a crack that glowed green formed before it stopped at an opening near the shack, breaking the earth and forming a swirling hole of energy. Both Danny and Lucifer sent beams of energy into the hole while Aku just jerked his hand sending a few tendrils of dark matter into it as well. The hole seemed to case the land to shake before something started to rise from the hole. The side of a cabin, colors of dark purple, black and red with several skulls and other gothic style decorations. The full cabin formed, roughly the same size as the shack, before the ground sealed up and the cabin landed with a thud. Morrigan snapped her fingers, causing the cabin to shimmer like a mirage before it looked like a normal cabin.

"And there we go," Grim said with a nod, happy with the work he helped do.

"Everyone gets their own room," Lucifer explained, "as well as an extra room for Dipper and Mabel."

"A small kitchen, living room and entertainment room is also added," Danny pointed out.

"Everything they will need" Morrigan said glancing at the kids before she giggled, "even extra protection in case they want to have some fun before the wedding night."

"That is so awesome!" Mabel called out, seeing the new place she can hang out at. Though she was confused about one thing, "what this protection then you are talking about?"

"Don't worry about it Mabel" Stan said, glaring at the succubus queen who giggled at her fun.

Skeletons started to remove luggage from the carriages into the new home, Chi walking after them with a bored Mimi being dragged along. The daughter of Aku was determined to make sure her room and Mimi's was right next to each other. The other girls were starting to follow, no doubt to claim their rooms and to unpack their belongings. Junior just sighed but noticed Dipper was looking both pale and about to have a panic attack. "What wrong…besides this whole mess?"

"They are going to tear me apart," Dipper whispered.

"Huh?" was Junior's intelligent reply.

Dipper tugged at the sides of his hat, "I don't think I have to pick one of them to marry, I think I am forced to marry all of them."

Junior thought it over and winced, seeing that seem to be the case. He didn't have anything else to comfort his only ally in this mess but he did try. "Well…I'm sure there's worst ways to go."

Dipper just groaned, before following the only other male of this pack into the cabin to at least check it out. Wendy and Soos followed them, wanting to see everything for themselves. With the adults all that was left they gathered around Stan, "Before we go we have a few words we wish to say," Sam said with narrow eyes.

Stan held his hands up, "Hey I'm not the bad guy here."

"Everything else for them will be taken care of," Lucifer said, drawing his attention, "from their food and housing. They will however have to get to know the twins."

"However," Grim butted in, "Ya aren't to have them work for you. Not in ya shop or in this tourist trap."

"And if anything were to happen to our children," Danny warned his friend firmly.

"You will be punished," Mandy promised with narrowed eyes. "Rewards you have gotten be damn."

"I promise I promise," Stan agreed, sweat start to form from his head. These ladies were starting to scare him worst then the demon lords and that was saying something.

The mothers all nodded, all with dark glares of their own before heading back to the carriages, to get ready to leave after a final goodbye. Once gone Stan took a sigh of relief. "For the record; I blame you guys."

"Welcome to the club." Danny quipped with a chuckle. "Send me your mugshot and I'll get you an I.D. in a few days."

Stan chuckles before he says, "I think I'm going to be scared for Dipper when or if he's put in the dog house. Those girls seem to have strong personalities."

Here Grim gained a scowl. "Don't remind me. I hadn't lived in a dog house since me wife was a child." This gained some stares from the others before he adds, "there was no water, no heating or cooling, and the bloody Red Baron kept shooting at me. I got no respect."

"Okay, Grim aside, I'm sure the kids will get along fine once they get to know each other. There's also a room for Bill's daughter, but she probably won't need it from what I understand." Danny said getting nods from the others.

Soon the parents said their good byes for now and left back to the underworld, leaving the kids to explore their new cabin as well as get the uncomfortable feeling in the air out in the open. Stan himself decided to close up shop and wondered if he should possibly take up drinking. It's not like it would be bad for his health or anything.

(scene change)

Somewhere in Gravity Falls, inside a large bedroom a young girl was sitting in front of her mirror brushing her hair. Today was a normal day for her until she felt the unmistakable power that can only be from the Lords of the Underworld. Normal humans wouldn't be able to notice then unless the lords were unleashing much of their power, but this wasn't a normal girl. She kept brushing her hair as she realized what was going on. "So it's that time already? I honesty shouldn't expected this after I turned thirteen." She giggled to herself, "I guess I will have to play my part in the deal. It's my soul that is on the line after all. But if I am going to do this…" the screen shifted so the reflection in her mirror was shown, but instead of seeing herself all that was show was a shadowy body. "…my way." And with that her right eyed opened up, to show it was bright yellow with a single black slit as well as glowing.


And that is the complete chapter for A Strange Engagement. Ah the dark humor mixed in a harem anime style all wrap together inside Gravity Falls. It's a strange place so it can handle it. Now I doubt I have to make a list of all the harem/love web the twins are in but I can if you all want to see it. Dipper might be in trouble as he might be in the deep end with more trouble to come. And not to mention Bill's daughter; who can that be? Is she an OC? Is she someone from Gravity Falls? Tell me who you think it is, I honesty want to see who can guess it. I won't say who is right until her actual reveal, but I will have the answered saved for everyone when the chapter comes out.

So leave a review and tell me how overly ambitious this story is or will this be a good one? Remember all flames will be brought to Stan Pines who will gather them up as an attraction for the Mystery Shack so keep them coming.

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