Mei Mei is a skilled Grade 1 jujutsu sorcerer in the anime and manga series Jujutsu Kaisen. Known for her pragmatic attitude and strong sense of business, she often takes on missions for high rewards. With exceptional combat prowess and the ability to control crows through her Cursed Technique, Mei Mei plays an important role during the Shibuya Incident arc. She is also the older sister of Ui Ui and is respected among other sorcerers for her strength and professionalism.