What is sukuna takes over megumi?

Sukuna is a powerful cursed spirit in the manga series "Jujutsu Kaisen". Megumi Fushiguro is one of the main characters of the series and is a skilled sorcerer who possesses a powerful shikigami. In the series, Sukuna takes over Megumi's body during a fight with another cursed spirit. When Sukuna takes over Megumi, he gains access to Megumi's power and abilities, as well as his memories and thoughts. However, once Sukuna gains control, it becomes difficult for Megumi to regain control, and his life is put in danger as he struggles to keep Sukuna at bay. The takeover of Megumi leads to several intense battles and complex plot twists within the story.