Mei Mei is a grade 1 jujutsu sorcerer who works independently and only in exchange for money. Mei Mei is a jujutsu sorcerer and a second-year student at Tokyo Jujutsu High School. She is known for her calm and composed demeanor. She is a grade 1 jujutsu sorcerer who works independently and only in exchange for money. She is also the older sister of Ui Ui and was a senpai of Satoru Gojo and Suguru Geto during their time at Jujutsu High.