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!

Résumé
Yuji Itadori is resolved to save the world from cursed demons, but he soon learns that the best way to do it is to slowly lose his humanity and become one himself!

In a world where cursed spirits feed on unsuspecting humans, fragments of the legendary and feared demon Ryomen Sukuna were 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!

Everyone's surprised (and not necessarily in a good way) when they find out Itadori survived, but there's not time for a heartwarming reunion when Jujutsu High is in the midst of an intense competition with their rivals from Osaka! But good sportsmanship doesn't seem to be in the cards after the higher-ups plan to eliminate the Sukuna threat once and for all...