Viridian: The Green Guide
120 parts Complete After his dream is finally crushed, Izuku isn't quite sure there's anything left for him to live for, but...he can't exactly kill himself either, not without hurting the people he cares the most about. So, when he realizes that the quirkless can't technically be vigilantes, it seems like the best of both worlds. He'll be able to save people even without being a hero and, if he happens to die while he's at it...well, like Kacchan said, maybe he'd be born with a quirk in the next life.
NOT MY STORY! BY Clouds (myheadinthecoudsnotcomingdown) on AO3