Jujutsu Kaisen 0 is a Japanese Anime movie.

Yuta Okkotsu is a nervous high school student who shares a strong bond with his childhood friend Rika. However, things take a turn for the worse when Rika turns into a Curse and won't leave him alone. Since Rika is no ordinary Curse, his plight is noticed by Satoru Gojo, a teacher at Jujutsu High, a school where fledgling exorcists learn how to combat Curses. Gojo convinces Yuta to enroll, but can he learn enough in time to confront the Curse that haunts him?