Yuji was a physically gifted high school student living with her grandfather, Wasuke Itadori, in Sendai. His dying wish - to help people and die surrounded by loved ones - deeply impacted her worldview. Her life drastically changed when she encountered Megumi Fushiguro and the Cursed Object – one of Sukuna's fingers, swallowing it to save her friends. This act turned her into Sukuna's vessel, granting her cursed energy and a unique constitution that allows her to contain the King of Curses. Now attending Tokyo Jujutsu High, she learns to fight Curses, constantly balancing her own ideals with the harsh realities of the Jujutsu world and the threat of Sukuna residing within her.