Based on Jujustu Kaisen Volume 0, a prequel that served as a "pilot" for the Jujutsu Kaisen manga series
Unlike the manga, Gojo shows his face without the blindfold to the students, they had never seen what he full looked before so they he was a stranger. In addition, additional characters and scenes that were meant to be in the manga were added to the movie cause the author felt he didn't add enough.
Was officially announced following the conclusion of Jujutsu Kaisen season 1
In Germany, it got 142,500 Visitors in cinemas which was a record for anime nights (previously held by Dragonball Super: Broly with 67000 visitors)