Katsuki Bakugo didn't believe in ghosts. Or, maybe he did, now that he was being haunted by one. ** In which Izuku Midoriya takes Katsuki's advice and he has to live with the guilt of never being able to see him again, to never apologize... or does he? Izuku comes back as a ghost to haunt Katsuki, angst ensues. *giant* TW for suicide and such bc thats basically what the whole fic is abt criticism is welcome complete