…Three Worlds One King...

Author's note/Warning: This is a Yaoi story, male x male. The pairing is Seme Eren x Uke Levi. If it offends you, you might want to turn back now. For those that don't mind that, I hope you enjoy the story. All reviews are appreciated.

Disclaimer: I will only say this once. I don't own anything and make no profit off this story.

Chapter 1

…500 years ago…

Five hundred years ago, the war between vampires and werewolves had taken many lives. Not only from the creatures that were fighting, but the humans and the other species had been affected too. Because of that, the Goddess of the moon did the only thing she can do to stop this pointless war, she had tied Dracula's submissive son with Lupin's dominate daughter as a fated mates. The war had stopped temporarily after the shocking news had spread like a wildfire.

The peace didn't last for a long time as some people had hoped. on the tenth year of their mating, a Rogue vampire was able to snake into the castle of the mating couples. He was about to kill Dracula's son, only for Luna Lupin's daughter to fight the vampire until she was killed by him. the fights that had taken a place and the young vampire's screams as he saw him mate being killed in front of his eyes, was able to bring the guards.

It was too late by then.

The only thing that the guards saw was the corpses of the two mates. The rumors had only told that the two had killed each other, and not the real story that had taken a place. Because of that, the war had raged again. But this time even the Goddess of the moon, the Luna couldn't do a thing to stop it.

Until one day….

…400 years ago…

A man with teal eyes and brown hair was walking with a woman by his side, his clothes were all in black and he gives the woman a smirk that was disguised as smile. The woman looked at him coyly and pat her eyelashes at him, making the man grin at that. it was the middle of winter, and the snow was falling on the ground. Covering everything in a pure white. The man walked until he reached a clear then smirk at the woman making her hum and look around.

"Is this where you want to do it?" she asked softly then shrugged, money was money, so why should she care about where she will win it?

The man smirked at that and closed his eyes, he hummed softly as he heard the blood in her veins start bombing harder and harder in fear as she heard the howl of a wolf heading their way. The man opened his eyes only for the teal color to turn into burning gold. "I hoped that you have said you Goodbyes." As fast as he had said that he longed at the woman biting her neck hard, draining her from all the blood she used to have in her body, once the woman went slack in his arms and he allowed her to drop, what little amount of blood left speckled the white snow.

"What are you doing here, Dracula?" said a cold voice, once Dracula turnaround he saw a black wolf growling at him. the black wolf then turns into a man. The man had a black raven hair and grey eyes that turn into a blue as he glared at him, the man wasn't wearing clothes because of his transformation. Though that didn't faze Dracula at all, he didn't like the sight though.

"You know Lupin, it will be appreciated if you could invest in clothes, they are quite comfortable by the way," Dracula said as he gazed at the man who crossed his arms over his chest. They didn't even take a position to fight, after all, they were equals, no matter what. Be it strength, speed, or status. They are practically in the same boat. "I think you already know why I am here, so why don't we head straight to the topic?" Dracula said making Lupin sigh at that and nodded his head.

"My mate is with a child, and I already know that your mate is also carrying," Lupin said as he ruffled his hair. "We can't stop the war completely but maybe we could write a treaty between our species."

Dracula hummed at that. "What about this. If a vampire killed a werewolf, I will deal with them, and if a werewolf killed a vampire, you will deal with them. No death should go unpunished, that is the only way for all of us to respect and fear of the treaty between us." Dracula explains making Lupin hum at that.

"Well then... I hope that the peace will last this time." Lupin said as he shook Dracula's hand. A flash of hurt passed over his eyes then he hides it as fast as he can. Lupin then turns around and transforms into a wolf, he was about to return home but Dracula stopped him.

"Lupin…," Dracula said making Lupin's ear pick up at that. "I…. I am sorry for what happened to Luna," Dracula said making Lupin stiff.

Lupin then turns to look at Dracula and give a huff. "I am sorry about Aaron too." He said making Dracula nod and turn around to leave.

Unknowing to them, the Goddess of the moon wasn't the only one who was watching.

…35 years ago…

Carla was humming softly, she was returning home from her work at Hannes's bar. She stiff as she felt eyes on her and curse softly, she starts walking fast but not too fast to show the person who was watching that she already knew about them. she should have been more careful than that after all vampires still exist in this world. Carla was one of the people who knows about vampires, she had known since she was a little girl that was trained to take her father's position when she grows up, she had never met a vampire and she had hoped that she never will, but it seems like the fates were against her tonight.

Carla froze as she saw a man with teal eyes and long brown hair that was tied in a ponytail, the man adjust his glass and smiled at her making Carla scowl at him. "What are you doing out this late, miss?" the man said as he looked at her.

"None of your business," Carla said she didn't take her eyes off of the vampire in front of her, making the vampire frown. "What do you want, vampire?" Carla asked making the vampire look at her with shock on his face.

The vampire then smirked at that and hummed. "Who would have thought that a little human will know about us?" he grins as he starts heading to Carla who growled at him. "Well then, because you were so smart I will tell you the name of your killer." He laughed at that making Carla hiss at him. "Grisha Jaeger, the future king of the vampires." With that Grisha attack.

…..

"YOU SHOULD GET RID OF THAT…THAT DEMON SPAWN, CARLA!" yelled Keith as he looked at Carla pleadingly, it had been a month since Carla had been attacked by that vampire, she was able to escape but with a heavy price.

Carla glared at Keith tiredly and hissed. "He had nothing to do with what that bastard had done!" she told Keith. "He is nothing but an unborn baby, that was being punished for a crime he had no hand in." tears start running down her face making Keith sighs at that. "W-why should he be punished, when he is a victim just like me? Why should that fucking bastard walk freely around and not this innocent child?" Carla give a shaky sigh at that and looked down. "I am keeping him," she whispered. "Even if it would hurt I am keeping him."

Keith just looked at Carla, it seems like the Luna had already abandoned them.

…15 years ago…

"N-no! mother, please don't die!" Eren sobs near his mother's bed. He didn't want it to be true, he didn't want to lose the only family he has just because some drunk bastard decided to kill everyone in the building where his mother worked because he suspects that his wife was cheating on him.

Eren gives a pitiful sniff making Carla look at him with a tired face, his golden and teal eyes looked at her begging her to stay with him. she was the only survivor so that meant something, right? Carla just smiled at her son and give a tired smile. "It is time for you to know the truth," Carla said in a low voice so it won't crack in the middle of the sentence.

With that, Carla told Eren everything. She told him about his heritage, about his father, his birth, about what he was, and about everything that he had wanted to know for years. By the end, Eren was so shocked that he didn't feel the tears that that was running down his face turn to blood. Carla sniffs at that and gives Eren a broken smile. "From now on, Keith will train you." She said then give a soft smile at her son. "I am so proud of you Eren. please don't forget that," she said then closed her eyes softly.

Carla never opened her eyes after that.

EXL

"So you are returning to college, right? boss?" a voice said making Eren looks up from his paperwork at Annie his secretary who was running her hand through her clothes, next to her stood Ymir who was having a displeased look at the skirt she was wearing and behind them stood Reiner and Berthold Who even after years always wear the same clothes as their other half. Eren frown at that softly, had he overworked himself again. Looking at his Rolex the answer was yes.

Eren stretch and stood up Taking his coat from the chair he was sitting on. "if you already know the answer then why are you asking?" Eren said as he prepares to head with his friends to their lunch break. He had met them when he was fifteen after that day and his mother had adopted them, Eren was older than them by at least four years. He ends up with them as his siblings because of what had happened to them. they knew about him being a half-vampire. Thankfully being half-vampire means that he doesn't need blood like full vampires, which made his life easier.

"Well, we asked about that because we want to follow you of course!" that was what Ymir said as she yawned, making Eren look at her and blink. "Oh come on! We all know that you are only returning for college because your kids will enter the college this year." Ymir grumbles making Eren shrug at that and continues his way.

"So what? I also want to have a diploma in English." Eren said softly. As he reached the lift and pressed on the button. His office was on the sixtieth floors, the benefit of being the owner of the company. Kyojin company was a star in the business field, Eren had built the company from scratch 13 years ago, and even now it still the best in everything.

"But aren't you already a writer?" Berthold asked as he enters the lift with the others, everyone looked at Eren waiting for him to say something. After all, Eren was a famous writer, who goes under the pen name of 'Rogue'. So they didn't understand why Eren wants to return to college if he was filthy rich.

"I know. Though I was thinking of taking a year-off of work, and what a better way than to give Keith that excuse. And who knows, maybe I will find another career that I will like." Eren said and the rest shudder at the mention of Keith. The man was the CEO, and the word 'demon' is describing him lightly, no one wants to be on Keith's bad side, even Eren who owns this company.

Reiner snort at that. "You are stuck with us, want it or not, we won't leave you alone." He said making Eren sigh and roll his eyes at that. if they want to knock themselves let them.

"Fine, but chose a major will ya? I don't want a last-minute shit like you always do." Eren said making Reiner grumble at that and nod his head.

"So how are Armin and Mikasa? I heard they had mated last week." Asked Annie making Eren flinch at the unpleased memory. He really loved his adopted son and daughter, he really does. But just because the two of them were werewolves, it didn't give them the right to fuck on his bed in their wolf form when they already have fucking room!

"They are great." And grounded for the rest of their long life. that was left unsaid. The doors opened making the five walked out of the cramped room, to the restaurant that was across of them.

"BOSS!"

Eren heard a yell, he looked at the person who yelled only to see a vampire walking to him. unknowing to a lot of humans, his company was run by vampires, werewolf, and other creatures. Eren didn't care about who was working under him, all that matter to him, is no fighting between vampires and werewolves or else….

"Nile? What is wrong?" Eren asked as he saw the older vampire, he could feel his friends twitch at that and tried to make a wall that will protect him, only for a glare to stop them. They have been this protective since he and his mother had adopted them all, a way of thanking him they say. But Eren didn't want that, he wants them to live their own life in happiness.

Nile stopped before him and point at the reception disk. Eren blink at that and looked up only to see his daughter Mikasa and son Armin chatting with each other happily. Eren lips twitch up at that, he thanked Nile and headed where his family was standing, he tapped them softly on the shoulders making the young werewolves turn to look at him and smiled.

"DAD!" they called and looked at their adopted father, Eren just hummed as he saw his kids brighten up at the sight of their family. "So are you ready for college next week?" Armin said happily as he looked at Eren making Eren smirk.

"Yeah, kids we are all ready to return to that hellhole!" Ymir says between cackling making Armin and Mikasa smile at that. "Eren? did you put your charm?" she then said before they headed out to the restaurant.

Eren rolled his eyes at that. "You know that the sun doesn't affect me," Eren said making the group hum at that. it wasn't like vampires can't walk in the sun, they just have a sensitive skin that attracts sunburn-like a moth to flames. Vampires often than not used charms to stop the burning, they didn't have time to put sunscreen every day. But because Eren was a half, the sun didn't affect him like normal vampires.

Annie hummed at that and sigh softly. "Even so, you should always carry it with you, especially with us returning to college." She said as they reached the restaurant after their short walk. Eren just sigh at that and took his seat on their usual table.

"Fine, though I am not promising anything," Eren said as he looked at the menu that was on the table. He looked at Armin and Mikasa with a smirk at their clothes and the way they flirt with each other, the two of them were fated mates since they turn ten. Eren hummed at that maybe he will be able to find his mate one day?

He didn't know why, but it seems like life was going to be interested.

EXL

Levi Ackerman grunt softly as he shut he alarm that was bent on killing the good dream he had, and sadly it was able to do just that! Levi grumbled as he gets out of his bed then headed to the bathroom to do whatever the hell he wants to.

An hour later a dressed up Levi get out of the bathroom and headed to the kitchen, only to see his mother cooking breakfast her dress swing as she danced softly. Levi smiled at that and took his seat on the dining table and wait for his mother to finish and notice him. he then smirked and cleaned his throat making his mother jump a little. "Good morning."

Kuchel turn to Levi and smiled softly. "Good morning to you too. The breakfast is done." She hummed and put the plate in front of Levi, then put another across of him. shortly after that she placed the teacups on the table and took a seat. "Your father had already left for work." She said making Levi nod his head and start eating.

"Hanji and Erwin will pick me up in an hour." Levi mutter making Kuchel smile at that, Levi then looked at his mother and sighs softly. "I had the same dream again." He mutters making Kuchel grin and squeals. Ever since Levi had turn 16, he starts having dreams about his fated mate, though the only thing Levi knew about him was that he was older and his name is 'Eren'. they had asked Lupin, Levi's grandfather if that was even possible, to begin with. Lupin was shocked at first, but he had told them that was, in fact, had happened 500 years ago. He didn't tell them anything else, just that it happened.

Kuchel grins and gazed at Levi who was looking at his food. "Maybe you will find your mate in college?" she said making Levi smile at that and took a sip of his tea. Kuchel then smirks at him making Levi scowl. "And maybe he will like the way you dress up for him~" at that Levi flush and looked down at his clothes, so what if he loved cross-dressing? It is just that females' clothes are that comfortable and pretty! So what!

"Do you think he will?" Levi asked looking at his mother who was smiling at him. Kuchel nodded her head at that and give Levi thumps up. That made Levi smiled at his mother's childish behavior. They two of them continue eating.

"Levi!"

An hour later you could hear Hanji's screams from outside. Levi growled at that making Kuchel sighs and look at Levi with teary eyes. that made Levi frown and hug his mother, he then peck her on the cheek making her smile at that. "I will miss you, mon cher." She said making Levi smile at that.

"I will miss you too, Maman." He said then he headed outside to see Hanji looking at him with a frightening grin. She then run to hug him only for him to push her away. "THE HELL FOUR-EYES? BACK THE FUCK OFF!" he growled and pushed Hanji, making the insane woman cackle as her clothes get dirty from her fall, though the woman just smiled and stood up.

"I MISS YOU TOO!" she said making Levi roll his eyes and took a seat in the back of the car away from the crazy woman.

"Erwin." Levi said and nodding to Erwin who was sitting in the driver seat Wearing this expensive as hell clothes. Erwin looked at Levi with a smile, making Levi hum at that. he then saw Hanji took a seat in the passenger seat, making Levi sighs in relief at that.

"SO." Hanji grin making Levi look at her with an eyebrow raising. "Are you excited to be in college?" she asked only to see Levi scoff at that. "WHAT? You want to be a clothes designer! College is the only way for that!" she said then 'oh'-ed at something. "Is it because your father had forced you to take Mythical Studies?" she asked making Levi shake his head at that.

"I am not in the mood, Hanji." Levi said making Hanji sigh at that and hum. It really wasn't Hanji's fault, it is just, he turns snappy every time he had that dream about his fated mate. His submissive wolf, always whines and whimper when he woke up, his inner wolf didn't even know why their mate had left them, Even when he had tried to reason with his wolf.

He just hoped that he will be able to find his mate.

EXL

"Mikasa! Armin! GET YOUR FAT ASSES OUT OF THE BED RIGHT NOW!" Eren howled at his adopted children. It was six in the morning, and if they wanted to reach Sina's university by eleven they had to leave in an hour. But it seems like fate was against him as those two weren't even awake yet!

"They are still in bed?" Annie asked as she took a sip of coffee from her mug, she then handled Eren his mug of black coffee. Annie took a pity at Eren and sighs softly. "Leave it to me." She said making Eren nod and take a sip from the bitter liquid and give Annie the ok sign. Annie nodded at that and turn to the stairs. "HOLLY SHIT! IT IS THAT THE WRITER ROGUE MAKING OUT WITH EREN!" she screamed making Eren look at her like she had lose her mind. It is true that he didn't tell his children about his side job, but that was taking it to far.

"WHERE?" Eren heard the shrieks from upstairs and a sound of footsteps running down to greet them. Eren blink at that and looked at Annie who was sipping her coffee like nothing had happened.

"GO GET INTO THE SHOWER AND FINISH PACKING! OR GOD HELP ME I WILL KILL YOU!" Eren blew, only to hear cursing and the bathroom door being slammed shut. "Thank you." He told Annie who nod her head and headed to the kitchen to finish her breakfast.

Five hours later you could see Eren driving one of his cars as he glared at the road. "I can believe we are going to be late just because you two decided to fuck last night instead of sleeping!" Eren growled making Mikasa and Armin fidget in the back seats, behind Berthold, Ymir, and Reiner. "THE FUCK! Since the two of you had mated, you two can't keep your hands to yourselves! It is not mating seasons for werewolves yet! So what the fuck is happening?!" Eren blew once more and growl, he didn't remember being that insufferable when he was a teen. "You wanted to be a lawyer Mikasa! How the fuck will you be one if you don't even respect being on time! And you Armin! You want to be a doctor! But I can't for the life of me discover how you will make it with that behavior!"

Armin whine and looked down in shame, being the submissive wolf he was, it was hard for him to get scold by the Alpha of the pack. Mikasa didn't say anything and looked down, she too respect her father's position to backtalk him. when their Alpha is like that, it is better to hear him rant and scowl then backtalk, or their punishment will be much worst.

Berthold took pity on the kids and sighs softly. "They are newly mated, so I think that it is normal for them to be like this. Though they won't do that next time, they already learn their lesson." He said making Eren growl and sighs at that.

"Fine! But next time not even you will be able to save them." Eren grunt making Annie who was sitting next to him hum at that and turn the music on.

Ymir who had been playing a game on her phone, pushed a sleeping Reiner to his mate, and looked at Eren. "You know, I don't even know who I pity more. You or them?" she them smirked and turn to Armin and Mikasa. "Tell you what! If you are able to win me a date with that cute vampire Krista. I will be in your side." Ymir said making Eren grunt at that and shoot her a glare making her raise her hands in peace.

"If you want to bang that chick then you ask her on a date! Don't involved them with your business." Eren growled then sighs as he saw Sina university. Finally! Eren sighs again and looked at them. "Which dorm are you all in?" Eren said after he had calmed down a little.

Annie hummed at that. "We are all in Trost dorms, though I don't know about you." She said making Eren sigh at that.

"I am in Rose." He said simply and hummed. Maybe he should tell Keith to sent him his motorcycle, after all he can't just stuck with this car.

Ymir looks at him and frowns. "Isn't that the apartments in the college station?" she asked making Eren smirk at her. "YOU BASTARD! How can you leave us in dorms! When you got to rent an apartment!" Ymir blow. Waken up Reiner in return.

"The fuck?" Reiner mumble then shoot Ymir a glare. "Ymir. PLEASE shut the fuck up! I couldn't sleep last night." He said while giving Armin and Mikasa a pointed look at the last part.

Eren hummed and parked the car. "We are here." He says as he opened his seatbelt making the others do the same. Eren then looked at Mikasa and Armin and sighs. "Mikasa, Armin. I will leave the car's keys with Annie. So if you need to use it, just ask her." Eren said making Annie grin at him. FINALLY! She will drive this baby! If only will Eren let her drive his cars more often. Especially that beautiful motorcycle of his.

Eren just snorts at that and gives Annie the keys making Ymir grunt at the unfairness of this world, she too want to drive one of Eren's cars. HELL! The bastard had 20 fucking car! Would it hurt him to let her drive one? Well fine, she had crushed one of his lovely car when she was driving, but that was five years ago!

Eren get out of the car and looked around, the collage still the same even after 14 years. He then his gang had went to Sina to study, so he was sure that the four with him knew their way around here. "Let's unpack." Said Eren as he took his suitcase and laptop's case. Even if he had took a vacation, it didn't mean he will stop working completely.

After that Eren went with the six people to Trost dorms to see their room. He had paid tones of money, to rent all of the dorms for this year. They had a suite styled dorm room (Well for Eren it is more of an apartment then not) It had two bedrooms, a sitting area, a kitchenette, and two bathrooms.

The first suit was for Berthold, Reiner, and Annie.

Berthold and Reiner were married, so for them one room is enough. the second room was for Annie who kicked Ymir out of her room. she didn't want to be stuck with Armin and Mikasa, who do it like bunnies!

The second suit, was for Mikasa, Armin, and Ymir Who plead with Eren to take her in. it was similar to the other suit with the décor.

Eren hummed as he looked at that and looked at Mikasa and Armin making them look at him. "I don't want to hear from Ymir that you are going at it all night! You are in college now, and I want a high marks from you." Eren said making them nods their head in embarrassment. "And Mikasa, I don't want to hear that you had made Armin fall pregnant at this young age." That made Armin and Mikasa flushed and for the others to laugh at them.

"Now, a few things to remember," Eren said after everyone had calmed down. "This is college, not high school. You don't get detention or suspension, you get expelled. So watch your tempers, Mikasa! If a person came near Armin, it doesn't mean that he will take your mate. I may be able to alter people's memories, but I'd rather not do that to every human on campus." Eren's warning hung in the air. "Armin, remember self-defense. College boys are a little more forceful than the ones in high school." Eren finished making the two of them nods their head. "You can have lunch with us after you finish your classes, even your friends can join us if they want."

After Eren had made sure that Mikasa and Armin had still down with the others, he headed to his apartment. Eren hummed at that, it had everything he need for his stay, and that all he asked for. After Eren had unpacked, he took his laptop and took a seat in the living room and start writing.

EXL

Hanji's pickup parked in the student parking lot next to the Maria dormitory on Sina University campus at half-past eleven. Levi hummed in delight as he saw his childhood friends, Farlan and Isabel run to greet him. he was thankful for that, after all he didn't want to hear Erwin ask him out again for what felt like the thousand time!

"Hello to you too," Levi says as he climbed out of the back seat, and welcomed the mated pair. He looks at Isabel's he frowns at the pink thing that she was wearing, he didn't like the color at all. Though he loved Farlan's clothes. Erwin was forcing a smile as he gets out of the car from the passenger seat and Hanji hummed.

"Farlan, Isabel. What are you doing here?" Erwin asked in distaste as he looked at the two. "I thought that you two had died or something, I didn't hear of you after Isabel had broken her arm." He said making Farlan growl at him with hate as he saw the hateful look he shoot to his mate.

One important rule among werewolves. You do not fuck with another's mate, even if it isn't official.

"Really Erwin!" Hanji growled at him as Levi hissed in a warning. "Come on guys, let is unpack. Erwin can walk to his dorm. Trost is that way, so goodbye!" Hanji said as the three follow her to their dorm.

"So we are in the same dorm, right?" Isabel asked with an excited voice, making Farlan smile at her and nods his head a yes.

"Yes we are!" Hanji said happily making the two look at her with a smile. "Petra and Oluo are also with us! And my Mike too!" she said making the rest laugh at how she talked about her mate. At Sina University, couples can share rooms. The college board thought it'd be a great way to attract more students. And it was. Levi was really grateful that he will share the four bedrooms suit with his close friends, after all wolves like being in packs, it made them feel safe even if he didn't tell his friends about that.

Levi hummed as he opened the door to the suit, he looked around and took the room in the far end that doesn't have another rooms near it, he will live in a suite full of couples, he want to be far away from them when they start fucking.

After Levi had finish unpacking, he throws himself on his bed and sighs softly. He wondered if he will find his mate.

Levi just shrugs and stoop up he took a seat on his desk and opened his sketchbook and start drawing.

So what do you think?

I hope that you will like it.

I was so happy when I wrote it :D

Read and Review.

and let me knew what you think. I am always open to suggestions.

Nazaki-Sama.