CAUTION: If you have not read the Demon Slayer/Kimetsu no Yaiba manga and are only watching the anime, please read forward at your own risk as there will be spoilers from the manga not yet discussed in the anime.

Experiencing his final battle and choosing to succumb to his enemy combatants, Upper Rank One Kokushibo awakens in a place unknown to him. His memory between death and life was hazy, but he knows of only one person who could do something like this. And with that, he seeks the only thing that could potentially set him free from his past: redemption.