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brioandbrulol · 3 years ago

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Have a idk outline of my IwaOi Mermaid AU lol

I looked it over but, there still may be mistakes sorry!

Once upon a time, there was a kingdom that was known as Aoba Josai.

The kingdom itself was nestled between the dark cool water of the Seijoh Ocean which lay to the west of the country, and the Aoba Mountain range which cradled the nation from north to south on the eastern side closing off Aoba to the other nations that resided further inland.

Needless to say, with a mountain range on one side and a ocean on the other, Aoba Josai was mostly left unbothered being seen as too bothersome and risky to be overtaken.

Rather, places found it more beneficial to strike deals with the nation which had a fine navy, good ports and other goods than attempt to take over the nation.

At one time, one nation in particular had attempted to invade Aoba Josai only to find that their attack had forced an unlikey union between Aoba Josai and the magical merfolk who inhabited the Seijoh Ocean which was unheard of during a time when magical creatures were viewed as evil beings.

With Shiratorizawa attempting to take over Aoba Josai, they crossed the ocean with a fearsome navy which at the time was stronger than what Aoba Josai had as they had never anticipated anyone would dare to attack them by sea-especially since it was well known that fearsome merfolk dwelled in the Seijoh Ocean and were seldom kind to those who went through their territory.

Thinking the merfolk would put an end to any threats they didn't think that Shiratorizawa was prepared.

They were horrified and surprised when Shiratorizawa poached the merfolk with a wizard at their disposal who had made nets in which magical creatures could be caught and hunted.

With no other choice, the merfolk reached out to the legendary sailor known as Seaweed (his name had been long lost in history) who had always been kind to the merfolk, always leaving them gifts and never fishing in their hunting areas and always kind whenever a merperson came too close to his ship.

It was even said that at one point he had rescued an errant merman who had wondered far from the depths of the ocean and gotten injured.

He had made it a point that all on his ship the Aquamarine respected everyone, magical or not.

In return, his ship was one of the few the Seijoh people let through the ocean without hassling or completely destroying the ship.

Desperately, they pleaded with him to reach out to his King so that they could work together. He was kind and explained he would do his best to get his King to listen.

He was granted an audience with the King and the head of the navy at the time, told them what had been relayed to him and urged the King to meet the leader of the Seijoh people.

The King, understanding the risks had his meeting with the Queen of Seijoh and together, they decided they would work together for the greater good.

The unlikey friendship had opened a whole new world between both the Aoba Josai humans and the Seijoh subjects who together battled off the invaders and formed a strong friendship between to the two nations that would last centuries after all was said and done.

They merged together customs and traditions, the capital of Aoba was even moved near the coast so that the King's castle- rebuilt with a rare blue stone-could include waterways from the ocean so that the Queen of Seijoh could visit whenever she pleased.

They took the world by storm. Soon, other nations followed their example and one by one began to accept magical folks instead of treating them like dirt.

It is said, through the two nation's bonds and as a blessing of Seaweed's marriage to the Seijoh princess, that from then on mermaids were able to tranform their tails into legs if they should ever fall in love with a human.

The story of how the two nations came to be as they were had been passed on for many generations and would come to be the favorite story of the little prince Tooru who would listen to Hajime's mom tell the story to him and his best friend, her son, prince Hajime.

To give some background, Hajime's mom was originally a Nekoma princess who was supposed to marry in to Karasuno but instead married into Aoba.

She remains on good terms with the Karasuno king who was the prince she was supposed to marry. Karasuno has two prince's, Daichi who is crown prince and his younger brother Tobio.

Tooru is the only prince and second royal child of the Seijoh mermaids, he has an older sister who is crown princess.

Many years before the events of this story, a group of Seijoh mermaids had left Seijoh under the leader ship of Hiyoshi Ushijima, father of Wakatoshi Ushijima.

They left Seijoh because they believed the Aoba people took advantage of the Seijoh mermaids and when the Seijoh king refused to cut ties with Aoba, they left and formed their own kingdom on the other side of the Seijoh ocean calling themselves the Shiratorizawa mermaids.

The two mergroups have a rocky but mutual understanding.

Growing up Hajime and Tooru spend all the time they can together until suddenly in the year they turn ten, Tobio is sent to be with them during the Summer, taking up all of Hajime's time, Hajime telling Oikawa they'd still get winter to hang out, so why worry?

Tooru starts feeling neglected because Hajime knows Oikawa can't come from his city too often during the winter since it is extremely freezing outside the protective bubble around the mermaid's main city.

Hajime explains to a sulking Tooru that for him it's nice to hang around other humans and begs Tooru to try and get along with Tobio.

Tooru feels hurt beyond belief and stops asking for Hajime as he's tired of waiting in the pool for Hajime to come and when he does arrive it isn't until hours later even when he tells Mattsun to tell Tooru he's on his way. Even more stinging is that Hajime usually brings Tobio along to see Tooru as well.

Tooru instead begins hanging out with Hajime's mom who he's always adored. He also starts hanging out with a young noble boy named Hinata with Hanamaki joining in as he's Tooru's attendant.

Noticing Tooru hasn't been asking for him Hajime confronts him and accuses Tooru of replacing him and Tooru laughs saying Hajime did it first.

In the midst of the argument, Tooru tells him he won't be back since all Hajime cares about is humans.

Hajime's mom and Mattsun and Makki are present as they argue, eventually the queen steps in pulling Tooru into her arms and telling him the castle will always be his home no matter what. she also tells him to send her best wishes to the newborn mermaid princess.

Tooru thanks her, pulling himself away when Hajime pulls on his hand, shocked, and asks when Tooru suddenly got another sister. Ignoring him, Tooru continues on into the waterway Hanamaki following.

Tooru leaves and doesn't come back till the following year. Hajime sits there shocked, crying as his mom explains how Tooru had been feeling, how he eventually felt so abandoned and hurt he could no longer even transform his tail into legs, not even for the queen and king he loved so dearly.

She tells him how she hoped he would find his way back to Tooru and understand the importance of working out time for all his friends.

Hajime cries as he tells his mom that while he likes Tobio he really loves Tooru and how he thought he'd be there forever since they promised to always be there for each other.

The queen holds him and says he can always try to be friends with Tooru again and determined, Hajime starts writing letters everyday and sending them to Tooru through Makki whenever he comes to visit until next summer comes.

Tooru does come back, this time to properly introduce the newest Oikawa to the king and queen as well as to meet Hajime's new baby brother.

Tooru is shocked at how Hajime clings to him and the absence of one Tobio. The boys didn't know that previously the queen had sent a letter to Karasuno asking for Tobio to stay home that summer as she had a lot on her hand with a newborn baby.

Karasuno complies and over that summer Hajime tries to win Tooru over again.

After much begging Tooru accepts his apology and they work together figure out a way for them to play with everyone and they end up roping in Hinata to play with them all and he keeps Kageyama pretty occupied.

A few years later, Karasuno has been putting pressure on Aoba's queen and king to arrange a marriage between Hajime and Tobio, but, Tobio is in love with Hinata and Hajime in love with Tooru not to mention that the queen and king would rather not force Hajime into an arranged marriage especially given Karasuno and Aoba's relations are well and strong as ever.

At this time, Hajime and Tooru are as inseparable as ever, Makki and Mattsun have become an item, and Tobio is rarely seen at the castle oftentimes spending most of the summer at Hinata's house.

Then, one day, the Shiratorizawa Mermaids make demands of Seijoh who refuse and Shiratorizawa attacks them killing the king.

Tooru's sister takes over as queen immediately and Shiratorizawa tells them they'll keep attacking and demand Tooru get arranged to marry or marry Prince Wakatoshi.

Tooru rushes to Aoba to ask Hajime if he'll marry him instead because he would rather be married to someone he loves and Shiratorizawa would have to be complacent with a noble Mermaid instead since the youngest Seijoh princess is too young to be put in an arranged marraige per law.

Hajime doesn't want Tooru to lose his family and be away from them, he also fears that their marriage may also provoke another attack from Shiratorizawa mermaids and tells him that for his own safety, that while he loved him he only wants Tooru as a friend and that he was going to accept the offer to marry Kageyama.

In shock, Tooru transforms into a mermaid and cringes half in tears and so so so hurt. He tells Hajime who is he to decide what is best for him? Hajime tries to reach out and pick him up to carry him to the water softly asking Tooru to calm down and telling him that he will still always be his best friend and number one.

Tooru cries and screams and pulls away desperately everytime Hajime reaches out to him, trying to drag himself down the stairs and into the water.

Hearing the cries, Mattsun and Makki come in and seeing Tooru, immediately take him to the water. As they put him in, he asks to see the queen and king and the second prince, blatantly and coldly ignoring Hajime who is still trying to talk to him, tears in his eyes.

Hajime is hurting too and begs Tooru to understand why he is doing this.

Tooru doesn't even glance his way simply saying "It's Oikawa-san to you. I don't know why I ever thought you loved me all you've done is hurt me. Goodbye Iwaizumi-san."

Hajime cringes as his family shows up he stands back as they look from him to Tooru confused. Softly holding the hand of the queen and in tears Tooru thanks them for their love and all the good times and wishes them the best.

Hajime's brother cries and asks where Tooru nii is going to which Tooru hugs him and tells him far far away and that he'll always remember him.

Hanamaki takes the time to say goodbye too also breaks up with Mattsun to whom he explains that he'll follow Tooru anywhere no matter what.

Tooru tells the queen how he'll marry Ushiwaka and how he has nothing left for him here. Turning away without waiting for a response the mermen leave.

Hajime's brother immediately cries even more and Mattsun shoves past Hajime angrily.

His mother quietly holds his brother, tears running down her face for the boy she loved like a sonand for his losses and sacrafices.

His father turns to Hajime and demands an explanation and he silently tells his parents of his plans they are both shocked.

The wedding is set in motion. Everyday leading up to it Hajime yells at the ocean trying to get Tooru to come.

He wants to be selfish and ask Tooru to be his best man since a member of the Seijoh royalty has to be present at the wedding.

As per tradition the new Seijoh ruler comes to have a meeting with the Aoba royalties though they've know the crown princess, now Queen, all her life.

Hanamaki, Takeru, the new queen, the young princess and her mom, the former queen all arrive. Nobody says anything about the gaping hole Tooru's absence makes.

When it comes time to meet Hajime and his fiancé, Tooru's family members do not shake either or their hands.

Coldly, the queen informs Hajime that he has tormented her brother enough and that she has already ordered that he is forbaded from attending the wedding and that the only person from the royal family attending would be her mother as current queen and Tooru would be busy setting up Tooru's wedding.

Hajime bites his tongue, ignoring the looks of sympathy Tooru's mom gives him. She pats him on the shoulder softly. He looks down at the youngest princess who at one time thought the world of him only to find her hiding behind her mom and refusing to look at him. He storms away, heart broken at losing part of his family. Tobio follows him, frowning.

The day before his wedding, suddenly Hanamaki arrives at the castle looking for Mattsun. He's crying and tells him how Tooru removed him as his attendant and asked specifically for him to be relation between the castle and Seijoh. He had told his friend that at least one of them would be happy

The day of the wedding Hajime goes through everything robotically, a broken man now.

The wedding has started and like a fool he keeps expecting Tooru to arrive. Right when they're about to say I do, Hinata interrupts and tells Kageyama that he loves him and doesn't want to see this happen. Hinata and Kageyama marry that day.

Realizing how stupid he's been Hajime asks Hanamaki to deliver a message.

Tooru shows up that night. They talk and cry and scream and shout and cry and laugh. But by the end they hold each other close and kiss.

Tooru's sister breaks off the engagement between Tooru and Wakatoshi and instead negotiates for the things they want and introduce Waka to their cousin Tendou whom Wakatoshi comes to love.

Tooru and Hajime decide to wait a bit longer to marry, happily ever after.

#iwaizumi x oikawa #IwaOi #iwaizumi hajime #oikawa tooru #mermaid au #haikyuu #hanamaki takahiro #matsukawa issei #fair warning IwaKage is there but like for plot it's not romantic or lasting #idk #angst #mermay #merman

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