what happens after gojo gets sealed

According to the search results, Gojo was sealed away in the Prison Realm during the Shibuya Incident Arc. He was freed from the Prison Realm by his students and allies, who rallied together to break the seal and release him. Gojo was finally unsealed in chapter 221 of the manga. During the time Gojo was sealed, many significant events happened in the Jujutsu Kaisen world, including Sukuna taking over Megumis body, the confirmed deaths of Kento Nanami and Mahito, and the discovery of Sukunas original corpse.