In a world where the majority of people have abilities called quirks, a white-haired boy gets stuck with a strange little girl. After saving her life, the boy finds himself stuck with her. With a change of heart, he chooses to walk down the path of the hero, abandoning the road of villainy he was once on. Will this new resolve help him become the strongest? Or will he fail to become a hero? Follow Accelerator on his one-way road to greatness. P.S: Accelerator isn't as strong as he is in the anime but will be as the story goes on. (pictures/ videos/ etc: are owned by there respected owners)

You (Y/N) (L/N) are an experiment. Your so called 'parents' made you into a powerful creature called a ghoul. One day something went wrong when they were giving you you vaccinations to become even more powerful, they 'killed' you, well at least they thought they did. After 'killing' their precious experiment they destroyed their lab and every file and experiment in there hoping to destroy your body too... but little did they know the vaccine they gave her didn't kill her but made her immortal. To your surprise you meet very strange people that change your life and state of mind...