**SPOILER WARNING, BEFORE ADVANCING INTO READING THE DESCRIPTION, THE FOLLOWING CONTAINS SPOILERS FOR THE END OF THE DEMON SLAYER MANGA.**
A total failure, The Corps were again back at square one, as the rise of a sun resistant, breath wielding demon king rise into power. Majority of the pillars were killed, with the remaining 2 retiring and overseeing training. Will you join and rise in power with the Demons? Or will you see it through and fight for humanity with the Demon Sl