The “Juju Fes 2021” event announced in Saitama on Sunday that Gekijō-ban Jujutsu Kaisen 0 (Jujutsu Kaisen 0 the Movie) will open on December 24. The event also debuted a teaser visual:

The 24th and final episode of the Jujutsu Kaisen television anime ended on March 26 with an announcement that a film will open this winter. The film is based on Gege Akutami‘s Jujutsu Kaisen 0 Tokyo Toritsu Jujutsu Kōtō Senmon Gakkō (Jujutsu Kaisen 0: Tokyo Prefectural Jujutsu High School) manga prequel story, with MAPPA animating again and TOHO distributing.
Akutami drew the previous visual of the character Yuta Okkotsu:

Viz Media released the Jujutsu Kaisen 0 manga on January 5, and it describes the story:
Yuta Okkotsu is a nervous high school student who is suffering from a serious problem—his childhood…