[ Vigilante Deku travels into the Demon Slayer verse, arriving at the end of Mugen Train ] Deku is searching for All For One, Jailbreaker, the Symbol of Evil, the Emperor of Darkness, the man who calls himself the Demon King. But after a strange incident that sends him hurtling through time, he finds his target changing. Muzan Kibutsuji is about to have a very bad week. Story Cover not mine, BNHA and KNY not mine.