(Yo, Future Me here. I didn't know where I wanted to take this character. Also, I was stuck on whether I should make him completely immune to the sun or just have his quirk/demonic power limited in the daytime. There was also the problem of being able to turn humans into demons, but I could have just written that he couldn't or that they don't have the same immunity that the MC has to the sun. The main reason was primarily due to my indecision of committing to the character's ideology which would have been fighting, but how would he die? Eraserhead? What would he exactly turn off? Maybe the blood demon art aspect of the quirk? Still wouldn't kill him though, but I suppose I could put a limit on stamina and regeneration. Oh well. Enjoy if you can.)

This is an OC/SI story that'll have strong ties to an already existing character from another series. There is also a big possibility for this character to become OP.

That is all I have to say and I hope you enjoy this passion project.

I don't know how I got here.

There are many hazy memories when I try to remember how I ended up in this situation.

My name, age, occupation, education, even my favorite color are lost on me.

What is clear is what kinds of anime and manga I have watched and read. Any other pieces of fiction besides Japanese media and entertainment is lost on me.

I may not be the smartest person, not that I would know, but I could at least do some guesswork for that reason. Am I going to be reincarnated? The signs are there, or this could be an elaborate prank from the forces beyond my understanding.

I don't know and I honestly don't care. Maybe if I at least remembered anything of my dreams or aspirations I might be more upset about it.

All I can do is wait for whatever lies next or if this is what the afterlife is.

Eternal darkness.

Now that I think about it…why does it feel so warm? And there's a constant nagging sensation that I cannot shake.

Is it hunger?

If I do take this reincarnation theory seriously, am I literally starting from the beginning?

The brain shouldn't be able to have this level of consciousness. I thought babies before the age of 4 or 5 have some kind of amnesia that explains why they can't remember anything when they're younger.

I don't know how much time has passed since I started this line of thinking. There's no handbook of how to spend your time in the womb and I can't exactly feel much of anything besides the warmth.

The hunger or what I perceive to be hunger comes and goes. This sensation still baffles me but I'm no doctor so it's probably normal.

Suddenly, I start to feel pressure and my heart beats loudly. Such a sudden feeling would take anyone off guard after feeling at peace for so long. It must be time to come out to the real world which means that I've been in there for 9 months, and it certainly didn't feel that long.

Luckily, I can't feel much of anything so it's just constant pressure against my body. Finally, I can see light, sorta, my eyes are still closed but I can feel the light on my eyelids as someone grabs me.

I assume it's a doctor as I hear several voices at once.

They are speaking Japanese.

I mentally curse at this situation and I should have known there wouldn't be some convenient translator preinstalled with the reincarnation package.

Putting the jokes aside, the situation isn't hopeless. A child's brain is practically a sponge so learning a new language shouldn't be too difficult even though my native language is english.

This could be seen as a boon since I at least remember that Japanese students take English classes. That should be a walk in the park.

My umbilical cord is cut and I'm handed to someone else and I can feel some kind of cloth being rubbed on me. It feels incredibly uncomfortable and I begin to wonder at that moment.

Don't babies cry when they're born? Would they be concerned if I didn't? Am I crying right now?

Oh well, it's not like anyone would judge me for doing it.

I try to make loud sounds as I'm being dried off. There's a loud wailing noise that I realize is coming from me and it would seem that I wasn't crying.

What's weird is that I can feel the pressure around me drop and a round of applause reverberates through the room.

I know there are expressions like being able to cut the tension in the room with a knife or something like that. Again, probably not the smartest person of my previous life, but I could physically feel it.

Another strange phenomenon that I can't explain.

I hope this doesn't become a trend.

The good news is that I didn't give my new parents a heart attack so soon after being born, so that's a plus.

I'm handed to another person as I can feel that I'm tucked in their arms.

I open my eyes and I see a man with a lot of orange on his head as my vision was incredibly blurry. They seem familiar and that hair is a vibrant orange which is cool. I don't know how humans looked in my previous life, but I at least knew that there is a large difference between humans and anime characters.

This is my father and I instinctively knew that along with the fact this person isn't in hospital garb.

I can still hear people talk around me and my father is also talking to me directly.

The words that immediately hit me are 'tou-chan' and 'Tokito-chan'. I have confirmation that this is my dad and my name seems to be Tokito. That name also feels familiar as if I heard it from somewhere, but I don't get the time to brainstorm as I hear the woman next to my father and I yell in what seems to be pain.

I was wondering why I wasn't handed to my mother since that seems to be tradition, at least in America it was. I don't see any reason why it wouldn't be the same in Japan.

Is she not finished? Was there another baby on the way?

I'm going to have a twin.

Time went by as I tried to absorb what the people around me were saying and try to notice any repeated words or series of words. I think I understand 'push' and that's about it.

The second child is born and my father is now right next to me as I am handed off to my mother with my twin in her other arm. I can't see my sibling but I can see my mother.

She has black hair and I can see a vibrant yellow in her eyes like sunflowers.

I can hear the words 'kaa-chan', 'Tokito-chan', and finally 'Itsuka-chan'.

Itsuka? Orange hair? As if a lightbulb went off in my head, I knew that this is the world of heroes.

My Hero Academia.

You might say it's strange to jump to such a conclusion, but with my memories mainly being about manga and anime along with my education and homeland.

I can still do algebra after all.

Doctors come after some time to bring us to another room filled with babies so that my mother can recover.

I'm placed down next to my sister and left there which is perfectly fine to me.

I have time to think now.

So my name must be Kendo Tokito.

Itsuka didn't originally have a twin brother or if she did, it was never in the manga. I was recently caught up but I can barely remember some parts of it as I was reading other series.

I didn't even own a single volume of My Hero Academia and I just read it online.

The only manga I own is Naruto and Demon Slayer.

Wait.

Tokito as in Muichiro Tokito? The Mist Hashira?

Okay, now that is a stretch and it's probably just a coincidence. They are from two different series.

The only reason I would know that is because I read the Demon Slayer manga multiple times. Some may shit on it, but I loved it for what it was even though the anime will likely always be better.

Off-topic. I need to figure out what I'm going to do. Am I going to get a similar quirk to Big Fist? I mean Itsuka got into U.A. with it, so it can't be that bad. There are worse out there in this fucked up game of lottery. Luck of the draw I suppose. No control over whose parents' quirk I'll get. Would it be from mom or dad, or maybe even a mix of both? You also have no control over who your parents are, so quirks really are shit. You either have it or you don't, and that's all it takes to end up like Izuku.

A dream smashed to pieces because your luck wasn't so hot.

Anyway, do I even want to be a hero? I sort of have to, don't I?

I want to use my quirk if I get one, and the only way to do so is to get a hero license.

Prison would be a hell hole, so I'll be a hero.

I wonder if that's really a good reason to become one.

Saving people is something I don't care much about, and I could say that I would help someone if I saw someone who needed it, but would I do that if I was quirkless?

No, I wouldn't. I know for a fact that I wouldn't even bother.

Fighting. Battling. When I think of these words I can feel an intense heat rise in my gut.

Excitement. Anticipation. Longing.

Those are the emotions I feel when I imagine myself fighting villains with whichever quirk I could get. The civilians are just the excuse for why I'm beating the hell out of the villains.

Does that make me worse than Bakugo? He at least wanted to be the best hero ever. To defeat all villains and by extension save the civilians.

Not that I care. The intense feeling when I thought of fighting villains is too much to ignore and I don't know where it comes from.

Was I a fighter in my past life? I guess I'll never know, but I know this feels right.

I'll become a hero to fight villains and dominate the battlefield like an ancient war god.

Lofty goals, but this is the land of superheroes and superpowers.

Dream big or go home.

I hear a wail pierce the air and I know it was from a baby a few meters away from me.

Who thought this was a good idea? One baby cries and it sets off a chain reaction.

Here's to hoping my mother recovers soon.

I see a clock on the wall in front of me, but I can't make out the time, so it might as well be a decoration. A blurry decoration at that, although that can be said for everything in the room.

Squinting helps a little, I didn't even know babies could squint, and I can see the little hand on the 12.

I decide that I'm done thinking and making plans for the future since I really can't do anything, so I sleep.

Waking up, I stare at the clock above me and the little hand is at 10, so I either slept for 10 hours or 22 hours, either is in the realm of possibility since I was just born and require lots of sleep.

Time to make more plans.

First things first, I need to learn Japanese. Speaking, reading, then writing, so that should take quite a lot of my time.

What I can do along with learning the language is try to move my body.

My hands are curled into fists and trying to uncurl them will probably be difficult so I start off small by trying to twitch my fingers.

My fingers begin to barely twitch with motion. I try to isolate it by using fewer fingers but to no avail.

I tried to move other body parts with little to no success until I was finally trying to feel around my mouth with my tongue when I made a bizarre discovery.

My teeth. I should have none but I had two canines in my upper mouth.

Could this be related to a quirk? You only get those at age 4 or 5 at the latest.

However, I do remember a one-off comment about Present Mic damaging his parents' eardrums from his cries at birth, so maybe it's something like that? I'm not sure how I remembered that odd piece of trivia.

Whatever, I'll find out soon enough.

I keep trying to do movement exercises to try and speed up my development.

This went on for about an hour without much progress other than getting used to my infant body, so that's something.

My first goal is to start learning the language and I can't do that surrounded by infants.

How do I fix that? By terrorizing the hospital staff of course!

I start crying loudly as if I'm about to turn super saiyan in a room full of babies without an ounce of shame.

A nurse comes in and picks me up and hushes me but I'm not easily swayed. To her credit, she doesn't look concerned and did a routine check to make sure I didn't defecate myself. The nurse carried me to a small counter and laid me down on a station as she prepared formula.

She grabbed the bottle and guided it to my mouth. I didn't know what to expect but it was horrific. The formula was absolutely rejected as I coughed and splattered milk all over my face.

It was like sewage. Actually, sewage might have been better than what was put in my mouth.

Vile. That's what it was.

I stopped crying after that so I wouldn't get that again, but the damage was already done as the nurse looked deeply concerned.

After getting tidied up I was put back in the crib since I stopped crying. She grabbed my chart and headed out the door seemingly to consult other doctors or even to notify my parents.

The plan completely backfired, but what I didn't understand was why I had such a harsh reaction to the formula.

It shouldn't be some specialized milk and fairly common for all infants, but I absolutely rejected and detested that liquid.

I went back to trying to move my limbs before falling asleep once more.

When I awoke, I saw my father standing above me with a nurse next to him.

She had a bottle of red liquid and it most certainly didn't look like formula.

I was picked up by my father and the nurse showed him how to feed me.

My father looked a little nervous, seemingly to have been told what happened as he guided the bottle to my lips.

I just hoped it wouldn't be awful like last time.

However as I took in the liquid, I felt as if I opened my third eye and everything became clear.

This was incredible. Beyond incredible. The feeling of pure bliss as I practically tried to inhale the liquid overtook me.

But I noticed something familiar in the taste, a coppery-iron-like taste.

Blood.

The fangs in my upper mouth.

Is this my quirk? Am I some fucking vampire?

Even with these thoughts going through my head, I didn't stop drinking until there was nothing left.

I'm patted on the back to try and burp but I don't need to.

My father set me back down and walked out with the nurse.

How did they know what to do? Was it based on my teeth alone? Or was it something during pregnancy?

I do remember there being a sense of hunger in the womb. Is that it? There must have been clear signs for them to make that conclusion.

Was I taking the blood from my mother? I suppose that would explain it.

I try to do the same exercises and with astonishment, I managed to move my fingers a little. I still can't move them individually, but it's a start.

3 Weeks Later

I fell into a routine of small movements, drinking, and sleeping.

There was something huge that I discovered along with the doctors.

I didn't soil myself.

In fact, I haven't used the bathroom at all.

They were concerned and did a number of tests, but nothing was wrong.

The nurses tried different types of formula to see if I just had a bad reaction, but they were all vile and disgusting.

I made sure to terrorize them on those days.

My mother visited me often as she recovered and so did my father. Also, an older man with orange hair and a beard visited my sister and me.

I don't think too much about my sister as I really can't since I can't move my neck yet.

That being said, my movements are surprisingly good. I can move my arms and legs, although it's very jerky.

At this point, I'm convinced that I have a mutation quirk that involves blood and my fangs, but to my knowledge, Itsuka will have a completely different quirk, so how did this happen?

A vampire quirk is a little strange but people like Vlad King and Himiko have blood quirks.

One of my theories during these weeks is that I have a demon quirk, but there are a few problems.

I have to be turned into a demon, but I'm born as a human. With these many babies around me, I would be trying to constantly eat them but I have no desire to, so overall I don't think I do.

The one counter to those two points is that I get stronger after drinking blood.

Also, my main source is from Demon Slayer and I still don't know if I could have abilities from that series, even though it's weird that my quirk will be radically different from Itsuka's.

Then again, I may be jumping to conclusions since I don't have all the information. What is my dad's quirk? Or my mom's? One of them could be Big Fist or a combination of both creates Big Fist, so who knows.

I'll just have to wait and right now, I hate waiting.

The good news is that my mom completely recovered and we're all going home.

My mother takes me in her arms as my dad carries my sister. The older man which I assume to be my grandfather trails beside us.

We step out of the hospital into the afternoon sun.

I'm not disintegrating so minus one to the theory of being a demon.

I'm put in a car seat along with my sister and we drive off.

My vision has gotten a bit better to the point that I can at least tell what color my father's eyes are and they are teal.

I still haven't seen myself so I don't know whether I have black or red hair. Yellow or teal eyes. In due time, I will see for myself.

The streets are somewhat busy and I can see many billboards and electronic screens. An iconic splash of red, white, blue, and yellow appears and I make the reasonable guess that it's All Might.

Eventually, the car is halted after maybe a 30-minute drive with this traffic and there seems to be a large gate. I can hear my father talk and the gate opens as we drive in.

We drive forward and I see a large Japanese-styled building to the left as we drive past it.

The car stops at a medium-sized garage on the right side of a smaller Japanese-style house. I can tell that there's a single floor but it looks large.

I wonder why we live in this building and not the larger one, but I'll find out eventually.

That seems to be a common theme in this life.

I'm taken around the house as my mother tours the home as if we knew what was happening, but little did she know that I did.

There seems to be a welcoming area with jackets, hats, and of course the shoes to be taken off before stepping up into the house.

Beyond that is the living room with a large couch, coffee table, and TV. There are a few bookshelves here and there as well.

Down the left corridor to the western part of the house, my mother opens a pair of sliding doors that shows a kitchen with nice-looking cabinetry, a large fridge, multiple burners on the stove, and plenty of counter space. Everything you need to cook what you need. Not much to say about it.

A blend between modern and traditional.

There is a connecting room to the right which leads to the dining area which is a long low-seated table with a dozen pillows if there is ever company over.

There is a large window that has a nice view. At least I think it's a nice view from what I can tell.

In the final room of the western part of the estate, my mother shows me a room with a large futon and other decorations along with additional furniture that I assume is my parents' room.

We leave towards the right as we enter the northern side of the estate.

I noticed that all the sliding doors are all going outward and that's because I can see that towards the center through the windows that there's a lot of greenery and plants. Perhaps the center is some sort of garden?

At this point, I assume that the estate is a large square with the living area and storage at the southern end with my parents and kitchen at the west.

My mother enters the closest room and I see two cribs that I immediately recognize as the room I'll be staying in for quite a while. There's some toys, books, a diaper station that I'll never be on and my parents will probably thank me for, and a large window looking towards a fence and I can't see much behind it. Maybe buildings?

There are a few posters and the only one that I can somewhat make out is one about All Might. What kid doesn't like All Might?

Even I do.

There is another room besides ours but it is empty besides a futon and a clock.

Maybe this will be my room or Itsuka's when we are older.

The next room is the exact same as the previous and we move towards the eastern part of the house.

My Grandfather's room is the first, I assume because it has a similar level of decoration to my parents.

After that room seems to be an office kind of room with lots of bookshelves, a few monitors and filing cabinets.

The final room is a storage area full of things that I can't see.

We make it all the way around back to the family room and we finally use one of the sliding doors to go to the center of the house.

I can't exactly see but there seem to be ponds in each corner with shrubbery and plants with a stone path.

There is something in the center and we move towards a circular area with a roof. There's the same wooden floorboard from in the corridors and family room but it looks much more worn.

I'm not sure what it is.

The welcoming tour is over and we are put to bed.

As I lay in the crib, I couldn't help but think about my new family. The Kendo family seems to be wealthy but I am unsure of how that is.

I need to figure out what to do and how to go forward with my future heroics career. There's not much else I can do except try to advance as fast as possible. Learning the language, customs, etiquette, and eventually finding out what my quirk is.

I know that drinking blood can make me stronger but I need to see how far that can go.

What I do know is that I'm tired and so sleep is a must.

After doing more movement exercises, I fall asleep.