Sapphire Judge (Undertale x BNHA Crossover)

Undertale (Video Game) 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
F/F
F/M
M/M
G
Sapphire Judge (Undertale x BNHA Crossover)
Summary
Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to the past, lost to the last world that she now only has in memory. With this new life, she vows to learn to become a hero, so she can save those who cannot save themselves. She wants to better herself because of all of her past failures. Maybe, in this world, she can make a difference, and not have it all rewound. What happens when the other versions of herself FINALLY find her again, after 4 years of being missing, and not resurfacing?'It's a beautiful day outside. Birds are singing, flowers are blooming. On days like these, villains like you, should be behind bars.'
All Chapters Forward

Constant Complications

Authors Note: Roses are red, some grasses are green. I been the smartest thing that I seen. There is no shame, I will say that much now. I saw an apple fall from a tree, now all I need to answer is 'how'. ~ TotallyIsaacNewton™

Nothing ventured, nothing gained. Right?

Yet, just leaving without knowing was going to irk him. He was naturally curious, he always had been. Despite his even lazier attitude than even Sandra seemed to have. After sitting there in silence for a little while, he looks up to the girl who was walking over with a glass of coffee in had. 

Coffee never did work for her, she wasn't the kind of person to get hyper, or energized from coffee. She stayed tired, but at least she got something warm to drink, right? She wondered if it worked for the teacher. Hence forth why she walked back into the room bearing a couple cups. 

"You look a little bit contemplative." She noted, hardly paying attention to his face. His stance was still as leaned-back as it had been before. However, she did spot his hands in his pockets. They were tense, perhaps tensed. Something was on his mind. "Care to share? Unless it is a question, you mean to ask." 

Sometimes Aizawa could nearly not believe that the same lazy girl in front of him was the same one in his classroom. She seemed so different when there was almost no one around. More dangerous, though she was not hostile. Neither was she a villain.

"I guess, since you caught me, I might as well ask a question, then." The teacher looks his student in the eyes, spotting her white ones staring back at him. She cocked one of her grayed brows, and nodded, waiting for him to continue on with his statement. "What are all of those things on the walls over there? They seem rather important." 

Sandra was not completely ready for that question. To be honest, she was actually expecting him to ask about her financial standpoint. Maybe even the location in town that she had her house in, seeing as crime liked to spring up there, a lot.

Looking back to the items on the wall, she thought about her first time even waking up in this world. It was such a trip and felt as if she had hit her head so hard that the world had outright changed it's skin. 

Waking up wearing flesh, with hair, an obvious gender change and several other confusing, if not depressing situational matters would be considered anything but normal. She was laying down in this house, most likely in what could be considered a living room. 

Of course, you can imagine that waking up in a circle of objects owned by friends and family that you would never see again was terrible, and it made her an uncontrollable sobbing mess. However, that piece of information was for her to keep to herself. She trusted her teacher, but there was only so much someone could, and would believe. She did not think that it was something he could come to understand. 

Not yet, if ever.

She took a deep breath, and thought to herself. She wanted to be as honest as possible, without being obvious or odd. 

"These all belonged to my friends. They all gave me something to remember them by before I moved here, to Japan." That was all she could come up with, really? "We all used to live in a very tight-knit community. Pretty much secluded from everyone else. We don't really have wifi or internet either, so we can't stay in touch." 

'Well...' Sandra thought to herself. 'At least I am covering all of my bases, right?'

Aizawa nodded to his student, before crossing his arms in front of his chest with a moderate sigh. He was tired, but he figured he should let his student continue her explanation. He was genuinely interested, and somewhat worried. At this point, he was never going to stop worrying. 

He had to worry about Midoriya and Bakugou's obvious 'quarrel' with each other. He had to worry about the problem child constantly breaking everything in his body. He also had to worry about the possibility of another attack, because of the incident at the training grounds. Now he was also worrying about this lazy, pun-loving student that was obviously hiding a lot more than anyone would ever be able to give her credit for.

"The pie tin over there belongs to my close friend Toriel. She was a really mother-like ... person. She loved to look after kids, and baking was one of her favorite things to do. She liked to tell jokes with me, and look after the younger children." Sans looks over to the red-bladed knife, both with fond and disturbed feelings. "That knife over there belonged to Chara. Chara was a 'spirited' little kid, you could say. She liked to be quarrelsome, but she was a sweetheart when she wanted to be." 

Aizawa looked at the knife, once again noting it's color. "Is it made out of mock material or an authentic material?" 

"Real rubies. However, don't fret, it was a durable blade. I made it with one of my other friends. Untreated Rubies are very durable, and have about a 9.0 scale of hardness on the Mohs scale."

Spoken like a true welder...

Pointing over to the trident-like staff, Sandra brought the mans attention off of the knife. "This trident belonged to Asgore. He used to be one of the higher-ups of power where I lived. He stepped down though, and eventually took to living like an average citizen. He was still respected in the community though." After letting Aizawa look at it, she grabbed it, and handed it over. The man was surprised at how heavy this thing actually was. 

"Those spears over there belong to Undyne. She was uhh... a police officer. She was really good at her job, and these spears were made with special materials produced by someone else's ... quirk." Looking over to a lab-coat, Sans sighed to herself once more. "This belongs to another friend. Her name was Alphys, she was married to Undyne. Alph was a scientists, and often spent a lot of time locked indoors working on something new everyday." 

There was this distant feeling of loneliness under her voice. However, Aizawa did pick up on the tenderness in her tone. She was speaking of these items as if they were a wonderful dream. As if they were something that were more or less of a distant memory. She spoke of the objects in such a manner of loneliness, it made him feel a bit bad for asking. 

However, Sandra seemed to be happy to share her memories with these other 'people' that she mentioned. She got to talk about all those good times when they would have fun together. Those holidays, and days for hanging-out that they had. 

Sandra talked about her life with them as if it were a matter of perfection. 

Aizawa could hear from the girls voice that she seemed to long for it again. She spoke of it in enthusiasm, but also in yearning. She wanted to see them, but there was obviously something that kept her from doing so. Students still took vacations, so he was not sure if that was it. However, once they were pro heroes, vacations were always a half-baked concept. You were always a pro-hero, no matter where you went. 

Sandra poured her heart out to him in modesty, unaware about how much she wanted to share about her friends memory to keep them alive, in one way, or another. It felt good to let someone else know about them, because they were very much real. 

No one here would ever know that for sure though. Not really. 

Even if they did, skeptics were always going to be around to criticize the very thought of another universe. Even if they had seen it with their own eyes. 

Life was complicated, and in a society such as this with superhuman powers; not everything was able to be believed. Simple as that. 

Would she have even been willing to tell them, if they had thought of other universes as a truth? Sandra knew that there were also those people out there who were hungry for power. Maybe it was better to keep that information contained in her own domain. No one else NEEDED to know about it. 

Sandra hardly noticed she had spaced out. However, her teachers calm voice snapped her out of it. Her eyes flashed blue for a moment before returning to white. Whenever she trails off in her own train of thought, it was easy to notice that her 'pinpricks' disappeared. Along with when she was either immensely angry, or saddened. 

Aizawa straightened his posture, before nodding to his student. "I guess I should take time to leave. I am sure you will be able to see you friends back home someday. It will just take time, like most things do. Be sure to be to class on time tomorrow. We have an important few matters to discuss including the sports festival. I do not want to have to fill you in on details on my way to the bus." 

Ah, right, class. 

Sandra nodded to her teacher, before closing the door lightly, and locking it as soon as he made his way a decent few paces down the sidewalk. She made sure to lock both dead-bolts, and the doorknob. Then, in routine, she had went back and locked her back door the same way, moving to the windows next. 

Getting herself a couple hot dogs, and a bottle of ketchup, she went over to her sofa, and took a seat. She noticed Aizawa's coffee cup on the nearby counter. He must have put it there while she was talking to him. There was water in it as well, at least he tried to soak the dish before he left. 

Letting out a deep sigh, she leans back and lays her head on the back of the seating object she was on. Her hair flows over the back of the couch, and hangs down a little bit. Her hair was generous in length. "Maybe I should cut my hair tonight. Just a little bit." 

She pondered the idea. Cutting her hair might be a semi decent change of pace she could enjoy. She did like doing Frisk's hair when they had become closer as friends. 

Yeah... maybe she just needed some small changes to help her out a bit around here. Those might be nice. She does still have some of Mattaton's 'Merchandise'. Oddly enough, Mettaton had rubber bands made, as well as a scrunchies set. Most likely for frisk during the last pacifist route.

Whatever source had sent her here seemed to know what it was doing for smaller details. If this was just a coincidence though, she was baffled. Maybe she just felt a subconscious pull to do it, seeing as she mentally knew the hair-binding materials were there. 

"Heh... well, better than them collecting dust, right?"

She smiled, grabbing one of the scrunchies and the rubber bands, just in case they were needed. 

"I'm so gonna botch this..." 

// To Be Continued //

*Authors Note: I wanted to go over the stuff that Sandra has more with Aizawa. However, I did not know what to write. I wanted to make him a bit more emotional about it, but that would be out of his character. So I decided to wait for him to have more time around all of his students before pushing too much further into Sandra and her relationship with other people. Then, at a later date, I will have these topics brought up again.*

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