Ui Ui

Ui Ui is a character in Jujutsu Kaisen. He is the younger brother of Mie Mie

History
On October 31, Ui Ui is with his sister and Yuji at Aoyama Cemetery while Gojo handles the problem in Shibuya. When Mei Mei gets a call about a certain appearing at Meiji-Jingumae Station, Ui Ui along with Mei Mei and Yuji head out to check up on it.