A Certain Unexplainable Dragon Slayer

Y/n vs Accelerator

Late at night, Mikoto stood alone at the edge of a steel bridge. Her entire situation felt completely hopeless. Despite her best efforts, Project Level 6 Shift had continued without any delays. She had thrown everything she had at the experiment, but it did absolutely nothing. Now, backed into a corner, Mikoto was left with only one option left. If this plan worked, it would put an end to the experiment and save the Sisters. It was a solid enough plan, but she didn't like it. She wanted another way. She wished there was another way. However, despite how she felt, there were no other options left for her. All she could do was hope, but even that wasn't enough to reassure her.

"Please help," Mikoto cried quietly, "Somebody, help."

As tears began to form in her eyes, Mikoto heard a quiet meow off to her left. Looking in that direction, she saw a single, black kitten sitting on the road, looking up at her. She then heard the sound of footsteps approaching, as well as some rather heavy breathing. Looking past the cat, Mikoto saw a very tired and very mad looking Y/n Kamijou approach her.

"What are you doing?" Y/n demanded

"Isn't that the harsh greeting?" Mikoto replied, putting up a confident façade, "And I can do what I want when I want so ther-"

"Cut the crap," Y/n cut her off, stepping closer. "I read all about the project," holding out the files on Project Level 6 Shift, "The experiments, your Sisters, everything. So like I said, cut the crap."

'Impossible, he knows,' Mikoto thought to herself in shock. "Impressive. You only met my clone yesterday and you've already go your hands on this top-secret information," Mikoto replied, keeping up her façade, 'He's definitely not going to approve of what I have planned.' She thought "Since you have that file, that must mean you've been in my room without my permission. Not only that, you looked inside my stuffed bear." Misaka said 'Oh well, he may not have all the facts, but the outcomes the same.' "So, did you come here to tell me how disgusting I am?" Mikoto asked.

"That's what you think?" Y/n asked in quiet outrage and a glare in his eyes that screamed he would never do that which Misaka flinched at, "I'm here because I'm concerned."

"You know, it's kind of nice to hear someone say that," Mikoto admitted, welling up, "even if it isn't the truth."

"It is the truth," Y/n declared, much to Mikoto's confusion, "I mean what I say!"

That finally started to break her. The dam was beginning to crack. It took all of Mikoto's strength to keep herself from crying. Eventually, she was able to compose herself, leaning on the bridge's railing to relax.

"You know what the Sisters say? They compare themselves to laboratory animals without batting an eye," Mikoto explained, "Like rats or guinea pigs, their bodies are messed around with for the sake of research, and when they're done, that's that. They're not stupid. They know exactly what it means to be some scientist's lab rat. They know, but still, that's what they refer to themselves as. They're in this situation because of me. It's my fault, so that makes it my duty to make sure the ones who are left survive."

"Where are you going now?" Y/n asked as Mikoto started to walk past him.

"There's another experiment scheduled for tonight," Mikoto explained, "Before then, I'm going to track down Accelerator and fight him with every ounce of strength in my body."

However, before she could pass him, Y/n held his left arm in front of her, cutting off her path.

"Can you defeat him? I have the file. Do you know what Tree Diagram predicts?" Y/n asked, wrinkling the file in his grip, "That you've be dead in 185 moves. You can fight, but do you really think you'll win?"