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Editing done: 3/18/20

Disclaimer: I do not own My Hero Academia or its character's plot or backstories.

OoO

When quirks first came into being, it all started with a radiant glow coming from a newborn in Qingqing city. Before long, more and more children were born with extraordinary gifts. They were the first generation Quirk users, among the families were adults and teens that were considered Pre gen users, it was as if the appearance of quirks awakened latten bloodlines. These Bloodlines, for example, in Japan, were families such as shrine families and the beast quirk users, they were more than just simple Mutation quirks. In the beginning, these beast quirk users became treated as demons from old. Gifted with long life on top of everything else they were able to do. They stayed within their communities due to the fear they brought even amongst other early quirk users. Japan is just one of those countries that were not only seeping in tradition and culture but also many folklores about Ookami, Kitsune, and the like. It was understandable that people were frightened of the stories of old coming to life.

One of these Demon families were the Wolf demons. The family's head was someone that could stockpile other quirks. He was part of the Pre-Gen members of quirk society. He ruled over his family as the Alpha making sure the line was not only carried on but made to be more robust by bringing in different quirks to blend with the demon quirk. Despite the long lives of these beast quirk users, they were pushed by their Alpha to up their numbers to not only past down their family's quirk but also to have more members to keep them safe.

While at first, most people viewed such things as traditional arraigned marriages, it wasn't long before the world saw the unjustness of these 'quirk marriages' and began putting a stop to them. That didn't stop everyone from doing them, and indeed not the Beast quirk users as they couldn't help but be driven by animal instinct and human greed for more powerful mates and offspring.

After eight generations of quirk users and society coming to an understanding of the many different quirks in the world, only eighty percent of the world's population was born with quirks currently. Over the years, one occupation came to the forefront for those with strong quirks, Being a Hero. The drive to be number one pushed some of the hero's to participate in quirk marriages, such as The Flame Hero Endeavor, making him the prime pick for the head of the wolf family. Even though he was already married to an ice quirk user, Endeavor was asked to be a breeding pair with the heads Granddaughter, one of their strongest beast quirk users. Though that's what Endeavor was told on the relation, he wasn't entirely sure. In exchange for a high sum of money, Endeavor agreed to be the sire for their lines next generation, and so a child was born.

...

"Grandfather, she's lovely, isn't she?" The mother held her child tenderly to her as she beamed up to her grandfather.

"Hm, Admittedly, she is. What would you like to call her?" As the sunset glimmered through the open window, clouding the man in shadow obscuring his face.

"How about utilizing the kanji from 遠吠え (tooboe or howling), using the on'yomi reading and the kanji 月(Tsuki or moon); therefore, her name would be Haitsuki (吠月). Do you think it goes okay with my surname Fuyuka?" (Fuyu 冬 "winter" ka 華 "Flower" Fuyuka, surname, Can be read as Fuyuhana) Still gazing up at her grandfather, she pauses excitedly for his answer.

"It's an excellent name, my dear. It refers to not only her main quirk but also her coloring much as your names do for you." The mothers' grandfather steps forward, taking the baby from her to get a better observation. The mother was happy, allowing it.

"Do you sincerely think so? I was anxious she would look like her sire, Though I respect your selection grandfather, and I know that it is for the good of our family and pack, I still do not like nor trust that so-called Hero" The mother made a face of discomfort at the thought of her daughters' sire.

"He will keep his word and not try and claim her no matter if she is stronger then his wife's' children or not, he wouldn't want that kind of slander on his name though you are correct. She is lucky that she looks just like you, with her white hair and red eyes. While the looks of an albino are desirable here in Japan, she as you were, will be quite sought after amongst the pack, we will do well to protect her from overzealous males should she not present as an alpha.

"Of course, Grandfather."

...

The next few months were peaceful for little Haitsuki, Having a loving mother and pack that looked after her. However, her mother had reacquainted with a man outside the pack and chose to move to America with him. Though her mother looked like a juvenile woman around eighteen to twenty years old, the actuality was she was considerably older than that, her quirk preserving her youthful appearance. Though the man she chose to follow to America was a new expiring hero, only eighteen years of age when they first meet, now thirty-four and established as a hero with more understanding of the world. He understood her age and quirk and excepted her for who she was — loving Haitsuki just as if she were his daughter. He never questioned the secrecy of Haitsuki mothers family since he knew that the Beast Quirk families were closed off to much of the world even in more modern times due to the fear they received at the start of quirks, and with the long life spans, much of them were still living.

It wasn't until Haitsuki turned four, and her quirk stated to manifest that her mother's partner started to ask questions. She could speak in yips and growls just like a wolf, even turn into one, her little white wolf form was amusing for him, coming home from a day of justicing to find Haitsuki and her mother curled up under the table in there beast forms sleeping away. Though she also shifted from a female to a male on more than one occasion. It was more than a surprise for him when he tried to bath Haitsuki, and a few things were differently different.

"Haitsuki-chan time for a bath" He chuckled as he attempted to round her up from her playing.

"EEEE," Haitsuki squealed as she ran from him laughing, darting into her room, flailing her arms around.

"DONT FEAR FOR I AM HERE, TO GIVE YOU A BATH," He said, raising his voice as he ran into Haitsuki room after her, Laughing could be heard from the living room from his partner.

"DADDY MIGHT!" Little Haitsuki yelled as she pounced on him.

"OH NO YOU CAPTURED ME," he yelled dramatically and put himself on the floor so he could pretend to be tackled by Haitsuki, causing the little girl to laugh. A sharp growl could be heard from the living room, and they both looked at each other and flinched as if they had been scolded. "You heard your mother Haitsuki-chan in the bath," He stated.

"kay," Haitsuki ran to the washroom with him right behind her. In the washroom, the water and prep for the tube were started with Haitsuki current favorite scent of bubble bath, with her senses now heightened due to her beast quirk she was sensitive to smell but oddly attracted to anything sugary smelling. Haitsukis' mother had explained to him that sent was essential to their inner beasts. It was how they identified other animals and people and could even tell if someone was related based on scent. Packs tended to intermarry, or as she had called it, mate, this was important because it would trigger an instinctual refusal of anyone to closely related to you. He didn't further question that bit of information. Many things happened among the Beast quirk families that the rest of the world found taboo or unnatural or downright wrong. It wasn't his place to judge.

Looking back at Haitsuki as she screamed 'naked baby' something her mother always said when she got undressed, for reasons unknown to him, and blinked, rubbed his face and then looked back at Haitsuki again.

"HUNNY," he yelled panicked as Haitsuki looked at him, confused with her head cocked to one side.

"What is it? You sound panicked," Haitsuki mother said as she walked into the bathroom. All he did was point dramatically at Haitsuki.

"Oh, look at that, she has a throwback ability" He was speechless, she wasn't at all fazed by the fact that their daughter was now a son. They all had a long talk about the fact that at some point, the family had mixed with another beast family that could shift from male to female as they were a fox based beast family. They had many of the same abilities as the fabled 'Kitsune' of folklore. It popped up now and then but was rare.

Having Haitsuki in public school became even more complicated after that. She presented as an Alpha reasonably quickly after that. Aggression was reasonable, and also some acting out, things that were normal for her growing animal instincts and behaviors were proving too much for her school. This lead to more visits to the American pack in the area. It was upsetting that he wasn't allowed to be there, let alone passed the outer gates.

When Haitsuki was six, she gained the ability to set things on fire. She had to be looking at it. The fire quirk was in her eyes. The manifestation of this ability upset Haitsuki mother, made worse by the fact that while Haitsuki was in her male form, her eyes changed to a teal color. Haitsuki mother had explained to him that both were things she got from her sire. Things she hoped would never happen. Though that didn't make the mother love her child any less, it was upsetting to see this person in her child. She never told him who the person was, only stating that he was someone outside of the beast quirk families that was chosen for his genetics and quirk.

...

The manifestation of more than one quirk made him think of a villain he had a few run-ins with, though to his limited knowledge of the villain, he wasn't from the beast quirk families, though admittedly it was possible given his long life.

Sighing, he sat down next to his partner on the couch in their living room after getting Haitsuki to sleep for the night. He wasn't sure how to ask what he wanted.

"You smell of nervousness," His partner spoke calmly as she turned off the T.V. and gave him her full attention.

"w-well yeah, I need to ask you something but ... I'm not sure how."

"Just be blunt then, it always works for me." Blunt was an understatement sometimes for her. But he couldn't say she was wrong.

"Do you know the Villian All for One?" He said quickly, though he knew she could still hear him with her hearing. He was hoping for her normal curious response to something unknown or new, but instead, she flinched and said nothing. "So you know of him?" she nodded to him and refused to look at him. "Is he why Haitsuki has more than one quirk?"

She looked at me then and cocked her head as if debating what to say. "almost all Beast quirk users have more then one quirk. I, myself, have more than one. My Beast quirk is, of course, my main quirk, but my second one analysis, it's the ability to know a quirk once I look at the person as well as the quirk's current power level and weaknesses. I also have a quirk called poison tongue though it only comes out when in my beast form."

He sat there studying her a moment. He didn't know about her other quirks, though he supposed he also never inquired. It was then he decided that he wasn't going to question further about all for one and trust that while it was apparent, she knows of him they weren't connected. He was choosing to tell her about One for All. A full explanation, and the fact that he was quirkless without it. He wanted to go back to Japan soon as there were rumors of All for One rearing his ugly head again. They decided that he would go and investigate and take care of things in Japan, and they would stay in America where it would be safer for them. They also decided to finally fill out marriage paperwork so that Haitsuki would always be protected should something happen to either one of them.

The next year was meet with hardship due to being injured in his fight with All for One. Before he could fully heal news had arrived for him calling for him to go home to America right away, his wife had passed on in a villain attack. She had been trying to protect Haitsuki and got caught in the crossfire. Against orders from the doctors in Japan, he left right away and got Haitsuki taken care of.

...

They had her funeral in Japan at her family's estates. They had a particular place on the families' land where they buried their loved ones. It was during her funeral that he found out that her family had been visiting not only her but Haitsuki in America frequently. It was also where he discovered that his wife had an adult son—apparently, a second-generation quick user, making his wife's son even older than him. According to Kiba (キバ), Her son, He had a different Sire to Haitsuki. His father was another member of the pack, though he didn't elaborate beyond that. Haitsuki kept asking for grandpa to which everyone told her that he was greaving and couldn't leave his home. He didn't ask too many questions as he knew that just being passed, the main gate was a lot.

They spent a few months in Japan, but Haitsuki was moved back to America, where she was mainly taken care of by the American pack so that he could still be a hero in not only America but in Japan. They would be the best protection for Haitsuki when he wasn't around. If only he could have realized that it was the worst mistake he could have made. In trying to keep her a secret from the world so she wouldn't be a target as well, making sure she was always watched and taken care of by people that would understand her qurik, he inevitably put her right into the hands of people that could hurt her. But as they say, hindsight is twenty-twenty, how could he have known that While he was training his successor for One for All, and being a teacher at U.A. for the three years his successor was there, Haitsuki went through the most trauma she every would experience in her young life.