Megumi Fushiguro

Age: 15
Birthday: December 22
Height: 175 cm (5'9")
Hair color: black
Eye color: green (manga), dark blue (anime)

Megumi is a tall, dark-haired boy with blue eyes. He wears the standard uniform of Tokyo Metropolitan Magic Technical College which consists of a long-sleeved shirt and a high collar of dark color, dark trousers and shoes.

Due to the witnessing of Yorozu inhabiting his sister's body, his emotions grow out of control allowing Sukuna to make Megumi into his new vessel.
(Source: Jujutsu Kaisen Wiki)