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!
During the Goodwill Event, the Kyoto School's authorities order their students to assassinate Itadori. However, Mahito and a horde of special grade curses and curse users complicate matters by attacking the students. The teachers move quickly to counterattack but find themselves cut off by a barrier. Can the students survive this demonic onslaught?!