Jujutsu Kaisen manga volume 2 features story and art by Gege Akutami.

A cursed womb mysteriously appears at a detention facility. Itadori and his classmates are dispatched to the scene, but they're in for quite the surprise when they're attacked by a special-grade curse! Itadori allows Sukuna to take over his body in order to survive, but the consequences are more drastic than anyone expected!