To understand her age, we must look at the timeline of her death, the timeline of the movie ( Jujutsu Kaisen 0 ), and her subsequent return in the manga.
During the events of Jujutsu Kaisen 0 —which serve as a prequel to the main series—Yuta Okkotsu is a first-year student at Tokyo Jujutsu High. how old is rika jjk
When Rika manifests during the Culling Game, she is no longer the vengeful spirit of JJK 0 . After the events of the prequel, Yuta and Rika made a vow. While her "curse" was technically broken, she agreed to stay by his side as a manifested curse to help him save his friends. To understand her age, we must look at
In the Jujutsu Kaisen universe, died at the age of 11 . After the events of the prequel, Yuta and Rika made a vow
To give a direct answer: in terms of the life she lived, as that is the age she stopped aging biologically. However, chronologically, she would be roughly 17 to 18 years old during the current events of the manga, matching the age of Yuta Okkotsu.