Fics like Kill One Hero

During his childhood, Izuku Midoriya befriends a young man named Monkey D. Luffy on the latter's trip to Japan. Inspired by Luffy, Izuku decides to become a hero, eventually leading to his inheritance of One for All. During Izuku's training, Luffy returns to Japan, and Izuku decides to accompany Luffy down to the Sabaody Archipelago, where he sees the horrors of the Grand Line first hand... and once he does, he knows that this world he never knew existed is one that he has to save. This is a long fic, and prior knowledge of each series is not required. Here's a excerpt from the story! “Good people can do bad things… much like bad people can do good.” Izuku began, “Sometimes, those bad things make someone a criminal, and sometimes, those good things can make someone a hero.” All Might understood where Izuku was going, but nonetheless, the teen still elaborated. “And… regardless of whether or not those definitions are flawed, and regardless of whether or not we’ll fix them in the future… those are still the definitions we go by.” Izuku continued, choking on his words, for even he didn't truly want to hear them, “Right now, Luffy is a villain, and heroes… stop villains, and save the day.”

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