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OPM/MHA story idea! What if MC who wanted nothing more than a normal life, had accidentally used their quirk (or superpower) to kill/defeat a villain that has been terrorizing Japan for quite a while? Which leads them to become a student at U.A (or became so popular and loved they were pressured/put in the Hero Association)?
OR...
What if they accidentally used it to kill/defeat a hero? Which leads them to becoming a villain that is apart of LOV (Or a supervillain in OPM)?