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Strength of Will (A BNHA x Undertale FanFic)

After Frisk finally managed to bring peace to her universe a certain glitchy skeleton appeared out of nowhere and erased it from existence, but luckily the goddesses Fate and Destiny found her Soul and decided to let her reincarnate, what will Frisk do? And will she be able to stay a pacifist... (I am not a native english speaker, so please forgive me for any spelling mistakes, this is also the first novel I am writing, so don't expect high quality stuff, this is just going to be some half-assed story, that I am writing because of quarantine, and I repeat DON'T EXPECT QUALITY! Btw obvious DISCLAIMIER, I don't own BNHA or Undertale and the cover art was made by Patzzi and reedited by Solunary.)

HopelessHikikomori · Anime & Comics
Not enough ratings
116 Chs

Staying in Hospital

"Well, okay then I guess? But I still have a question regarding all of this."

"Shoot partner, it's not as if we are 37,5 percent the same person with you being the dominant part making me the one that can't leave you or anything."

"Wait, I could leave you?"

"No, I meant you could seal me somewhere deeper in your soul away if you wanted to!"

"Huh, that is kind of messed up."

"Anyways, what is your question?"

"Oh yeah, right. Well, did I fall unconscious because of that magic?"

Chara opened her eyes wide in surprise, before looking at Akane with a smug face.

"Well, as expected. You keep asking the right questions, I am proud of you partner. You are right. Partially anyways. We did indeed collapse because you established a connection to the soul-core. But let me say to you that that's not the only reason why we collapsed."

Akane opened her mouth, she was interrupted by Chara. Chara knew that everyone would get impatient if they stopped talking for a moment, before continuing.

"Well, we collapsed because our body couldn't handle the strain of being active 24/7 anymore. Kind of obvious if you think about it, duh."

"Huh, now that I think about it. Our body was always active, huh. So, did it just automatically shut down just so we can rest?"

"Yes and no."

Akane sighed.

"And what the hell is the other reason why we collapsed?"

"A combination of our situation honestly. Let's just say that our body is getting a bit reshaped according to our needs, so it can handle the future magic and perma-activeness a bit better. Don't hope for anything too fancy though. We probably are just going to look a bit better after the transformation is completed."

Akane was silent after hearing that. She slowly started sweating intensely. After a while Chara also started to sweat intensely.

""Isn't that extremely dangerous with how good we are already looking?""

They both started to sweat intensely upon that thought. They hoped that the improvements wouldn't be all too crazy.

"Anyways, when can I wake up from this coma?"

"Now."

"Excuse me?"

"You could have woken up whenever you wanted. And now before you ask. I would have told you if you asked me that, you just didn't until now."

Akane facepalmed herself before giving a loud sigh.

"Honestly, sometimes I just could punch you in the face for stuff like this."

Chara just chuckled at Akanes words. She won't, not anytime soon anyways.

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After waking up Akane sits up straight on her bed. She was in her usual room, on the usual bed, with the usual people. Akane smiled, yep she was once again in the hospital.

"What the heck! Does my daughter always wake up this way?"

Akane could hear her mother Fumio laugh at her other mother Rumi. She was happy that she had such heartwarming parents.

"Yes, my bunny. Akane always wakes up this way. It surprised me the first times too."

"When the hell do you have the time to see Akane wake up? She is an early riser, waking up at times everyone else would consider insane, while you are a pretty late riser. Now that I think about it, I often times see how Akane tries to wake you up in your office when you are sleeping on your writing desk. It's cute how you beg your own daughter for five extra minutes of sleep."

Fumio was getting red. She was embarrassed that her cute wife saw her like that.

"1 - 0, for you today then. Just wait until I get back at you today."

Rumi just laughed; she was happy that she got the first hit today.

"Anyways, how are you doing Akane? Feeling better after a night's rest like always? Or did shit really hit the fan hard this time and something serious happened for real to you this time?"

Like always, Akane wanted to say that she is doing okay. She wasn't, her body was stiff as hell and se was sure she couldn't move. Welp, this was a problem, all right.

"I would say the second. I can't really move, tehe."

Akane laughed wryly, trying to dismiss the whole situation as insignificant. It didn't really work. Her parents started to look at her with a face mixed with worry, concern and a bit of pity. Akane didn't knew what she did that warranted such a reaction. She looked at her parents confused. After a while she could hear a sigh from her mother Fumio.

Akane waited for something to happen, until she was flicked on the head. It hurt a bit, to be specific it stung. Akane opened her eyes this time, wanting information why she felt all these mixed emotions in this room. The atmosphere was uncomfortable for her, even making her feel suffocated.

"You feel uncomfortable? We too honestly. Do you know what you did wrong this time?"

Oh no, not this question. This was basically a guaranteed loss for Akane, but Akane decided to bite in, after all her two mothers weren't unreasonable persons, right?

So Akane shook her head and asked innocently what she did wrong. After all, she might be able to read other peoples' emotions, but not thoughts. She might be able to approximately guess it, but she had no idea what she did wrong this time.

She knew it wasn't about her collapsing, they would forgive her for that after all. She thought about other things that she might have done in the last days, weeks, months. She still didn't know what she did wrong. She thought hard about it, but couldn't think of a single thing that might have warranted such a question.

She heard Fumio sigh again. She started to get startled, did she really mess up this time? She could have sworn that she did everything in her power for that not to happen. Fumio lifted her hand up, Akane prepared for another forehead flick. But instead she got some head pats.

Akane liked that feeling, but she knew that the next words of her mother won't be that pleasant.

"I never would have thought that this would be necessary, but I guess I have to give you house arrest. If you overwork yourself, you better do it somewhere where I know what you are up to, young lady."

So that was why they were angry. They thought that Akane collapsed, because she overworked herself. Well, that was fair, at least that was what she thought.

"Huh, that is fair, I guess. Okay mommy, I try to put less of a strain on myself."

Fumio looked at her surprised. That was it, it was easy like that? There had to be something foul.

"You really back down on that that easily? I am sorry, but it's reasonable for me to not believe you in this case, right?"

Akane had to cough, was she that much of a try hard? Well, she probably is, if the reaction of her mother, to her saying she will rest was that.

"I promise mommy. I'll try resting up, now if you'll excuse me, I have to lay down if I want to recover anytime soon! See you tomorrow, I think I stay the night in the hospital."

And with that, Akane laid back down, sleeping.

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"Your body down, partner?"

"Couldn't you have told me that I won't be able to move as long as my body keeps changing?"

"Where is the fun in that? And it's not like you can't move or anything, you can force it with the strength of your will! Like everything you do honestly."

"Yes, with Determination I can break and go beyond what I am supposed to do, but you know just as well that forcing things isn't really the way to do things."

"What? You mean like breaking yourself, because you go at something too intensely? Tell me more about it."

"Look, I might seem a bit like a hypocrite saying this when my training consists of basically 'breaking my body once more' each day, but even I know when it's too much to take and I shouldn't go further than that."

"Guess you do, partner. For your information, I would give it at least five more hours or so until you should move again. But you won't force yourself anytime soon, so I guess I don't have to worry about that."

"I won't. One of us has to take care of our body after all."

"Glad to know that you take upon the task to be the responsible one for us!"

The conversation ended with that and both of them started to get uncomfortable. Normally in would have went more like conversation, action, conversation, action, but now that the both of them basically had to lay blank, only conversation without action was left for them.

It felt a bit off for them, it wasn't what it was supposed to be for them.

"I am not the only one that is weirdly unsettled, right partner?"

"Yeah, turns out that we never lay down to have some down time, huh?"

"That's kind of messed up. Anyways, aren't you normally getting insane if you are, you know, sitting down, doing absolutely nothing? Are you sure you'll be able to keep your promise with mother?"

"Well, I think I'll manage, especially now that you are here with me, I mean aren't I already doing much better with you being here?"

"Well, I am glad that my presence help you so greatly, but as always, please don't rely on me too much, can you?"

Akane tilted her head. No, she didn't.

"Why the hell shouldn't I? After all, you are a part of me. That Determination part from my soul was from you, right? After all, Frisk gave up her traits for more power, so it can't be hers."

Chara sighed. Well, if Akane insisted like that, she didn't really have a choice, but giving in, didn't she?

"Do you really want to give up on your peaceful life, just like that?"

"Well, I wanted a peaceful life, but you know, 'Unity' tells me to keep challenging myself, to keep moving on, to not stop no matter what. Where else can I challenge myself, other than jumping into the center of all action? After all, my dream is to show everyone that everyone can be special if they just try, Chara!"

"So, you were serious about that, partner."

Chara smiled.

"Then don't disappoint and deliver, Akane."

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Himikos mental state was currently rather, concerning. She wanted to kill, she wanted to see blood spilling, she wanted to taste blood, but she couldn't. Not with Chara around.

That girl, Chara was an unknown existence for her. She was the same age as her, but she was so much stronger than her. Impossibly so, she felt like drowning when the girl released her killing intent to these guys.

She lied to that girl that day that she was going to leave. At first, she just wanted to stalk her a bit to find a possible weakness. She seemed like a kind girl after all. She asked about her, showed worry then she talked about the nature of the quirk, showed anger after she mentioned what her parents did to her, showed enjoyment when they talked about 'killing'.

Though they shared a different perspective on that, Chara wasn't disgusted by her actions, but she hindered her by acting them out in public. She said that she didn't want the trouble to her name.

That was bullshit for Himiko and she didn't plan to follow that, until she saw that scene.

After Chara left the scene, some suspicious people showed up. At first, she thought that it was members of her gang. She guessed wrong, these people were members of the so-called league of villains and started to threaten her if she continued with her work.

She listened in and she started to intensely sweat hearing about all of that. It seemed like Chara was getting caught in something very troublesome. She wondered what Chara would do now, but she didn't expect what happened next.

She just started to laugh maniacally and made fun of them, called them 'acting like little children, being stupid and all'. Himikos hope for Chara dropped into the basement right then and there. She already started to pray for her death.

Of course, these villains didn't look to kindly on Charas slander of them and they immediately reached out to her, to attack her. She then suddenly released a massive killing intent, making the villains hesitate. Even Himiko sitting so far from their position could feel it.

She felt like vomiting right then and now, scratch that, she immediately vomited after feeling that. But of course, the villains didn't flinch that much and started to attack her, needless to say Chara killed all of them with her strange quirk and made them disappear just like that. Though she was quite battered after the fight Himiko swore one thing in that moment. And that was to never mess with Chara, she had the feeling that she wouldn't see the end of it of she did.

But now that there was this one big massive problem in front of her. She graved blood, she graved it so badly that it currently was driving her crazy. After her first taste of it she started needing it, she needed it to stay sane, she needed it to not act out, but that was gradually getting more and more difficult, especially now that she didn't consume much of it since last week.

Yes, yesterday she killed some people, but she didn't take in much of their blood and that was a problem. She craved blood and she was about to lose control of her urges. She wanted blood so badly, but she didn't want to get on Charas wrong side.

She was about to bite in her own arm, hoping that her own blood would quench her thirst. But suddenly she heard heavy breathing behind her. She jumped around in surprise, relieved that it was just Chara.

"So, you are here, Himiko. Sorry for being late and all, but as you can see, I am currently not in the height of my abilities."

Himiko was happy to see her. In her mind she hugged Chara and greeted her like a normal girl would do after being excited to see their friend.

"Bl - ood."

But instead just a haggard 'blood' came out. Himiko was scared, scared of the prospect of what Chara would think of her, seeing her like that. But her actions surprised her. Chara just stopped her panting and rubbed her head.

"Geez, what am I doing here, looking all miserable in front of someone that is more so."

She just slid their glove down their hand and bit their thumb open, she made it look so easy.

"Suck, after all, I owe you that one if I am forcing you to stop killing people for your cravings."

Himiko just let her instincts take over and started sucking that blood from that wound, but something was different. Her blood tasted strong, very strong. One sip of it from her finger and it almost blew away her mind.

After taking a sip she immediately separated from Chara and started coughing. She felt as if someone just tried to force feed her one liter of blood in one second. She was sure she could manage it with her quirk, but it would still suffocate her.

She looked warily at Chara, but she just saw a confused girl in front of her. At least she wasn't the only one.

"That all? It seemed to me that you would need a lot more with the mess you created yesterday."

Himiko started to shake her head and hands in panic.

"Nonononono, I mean, yes. Normally I would need a lot more, but your blood just feels so much stronger! It almost blew my mind away after one sip, I also feel satisfied now, so I think I had enough."

Chara just looked at her thumb and then back at Himiko. It felt like Chara was missing something. She just stretched her thumb out and looked at Himiko at a condescending tone.

"My thumb isn't coated in saliva and my wound isn't closed, lick."

"What! You are going to force your thing inside of me and plan to release more of your bodily fluids inside of me! Only a little bit of it already blows my mind away, if you give me a whole load of it you are surely going to break my mind!"

Chara just looked at Himiko with an annoyed face. Himiko hoped that making her words sound so suggestive would make her embarrassed or hesitant. It had a different effect of pissing Chara off and resulted in her just forcing her thumb in her mouth.

Himiko almost lost consciousness that night because of the sensory overload Chara gave her.

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Back at the hospital:

Chara entered the hospital sneakily through the front entrance, completely hiding her presence so the staff wouldn't see her. Her body still felt like shit and she was a bit irritated with having to move with that for so long, she was angry at her partner.

"Did you really had to force me move out just because of that? That was completely pointless!"

Akane was about to sigh.

"You know what I mean! I meant that it was way more taxing than what it was worth for us!"

"It might have been. But that girl, no Toga needs our help or she might lose it."

"Oh, holy core, who cares? It was just one night! I am sure she could have endured that a bit!"

Silence, then just one sentence from Akane.

"One night can change the life of a person forever."

Now Chara was silent too.

"I am sorry. You are right, partner."

They continued on their way to their room, until Akane forced Chara to stop moving.

At first Chara was confused, until she felt the heavy feeling of regret, sadness and loneliness and the faint sobbing of a woman. It almost reminded her of the old days in the other universe.

"Akane, do we really have to do this? I mean, she is a stranger and that is her business. We don't have a right interfering."

"That might be, but every relationship needs to start somewhere. Now give me the body and be silent, Chara."

Btw, I changed Himikos quirk completely from 'transformation' to 'vampire'.

Not only will she be able to transform into the people that she takes blood from, but also get an increase in her physical parameters if she consumed blood, alongside a more drastic craving for blood.

CHAPTER RELEASED BROS! Oh boy. It's a legit 3000+ word chapter. You better be grateful for this, all right?

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