This novel is about the Demon Slayer Corps and the Twelve Kizuki, led by Muzan Kibutsuji, fighting across countless anime worlds.
Years after the final battle in the Infinity Castle, Tanjiro died at the age of twenty-five because he had awakened his Demon Slayer Mark.
He thought he would go to heaven and reunite with his parents and younger siblings, but the Lord God intercepted him and brought him to the Lord God's space.
There, he learned that Muzan Kibutsuji had been resurrected. Determined, he joined the Lord God as a reincarnator, vowing to slay Muzan Kibutsuji once again.
