Little Megumi.
Main Cast Introduction, Original Timeline
Fushiguro Megumi, a first-year student at Tokyo Metropolitan Jujutsu High School, classmates with Yuji Itadori and Kugisaki Nobara. He carries the bloodline of the Zenin family, one of the Three Great Families of the sorcerer world. Currently a Grade 2 Sorcerer (under evaluation for promotion to Grade 1). Although only a first-year, he is already capable of executing missions solo, and is dubbed a "genius-type sorcerer" by the students of the Kyoto school.
Chapter 368