It Wasn't Rika Who Cursed Yuta—It Was Him All Along A key part of Jujutsu Kaisen 0 is Yuta's belief that Rika Orimoto, his childhood friend, had cursed him by haunting him as a vengeful spirit.

Jujutsu Kaisen tends to use Cursed Techniques ... and a memory tied to pain. Yuta bears all of it. Rika’s presence adds to this theme. She is a reminder that Yuta’s power is rooted in loss ...

Although the tamed cursed spirit ended up being a fodder in front of Yuta as well as Rika, her original folklore ... first introduced within the Jujutsu Kaisen 0 series, at the height of his ...