Old love never rusts! Yorozu has even waited a thousand years to finally be reunited with the King of Curses. And if she can't have Sukuna, then at least he should be the one to kill her. But the two of them gave up their mortal forms a long time ago. Thus, it's not just Yorozu and Sukuna fighting against each other, but also Megumi and his beloved sister, who cannot control their own bodies in the process.