Mei Mei 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. Mei Mei is a very calm and relaxed woman who can keep her cool in any situation. While very kind and honest, Mei Mei is very open about being greedy. Monetary value is the most important thing and quite possibly might be the only important thing to her.