To gain the power he needs to save his friend from a cursed spirit, Yuji Itadori swallows a piece of a demon, only to find himself caught in the midst of a horrific war of the supernatural! 
In a world where cursed spirits feed on unsuspecting humans, fragments of the legendary and feared demon Ryomen Sukuna have been lost and scattered about. Should any demon consume Sukuna's body parts, the power they gain could destroy the world as we know it. Fortunately, there exists a mysterious school of jujutsu sorcerers who exist to protect the precarious existence of the living from the supernatural! 
Military forces from foreign countries invade the culling game, seeking to harness the unlimited potential of cursed energy. However, the soldiers soon find themselves facing off against a horde of cursed spirits! While the merger with Tengen forges on, Fushiguro tries to help his sister leave the culling game and its endless cycle of killing...