Since his debut appearance in the prequel film Jujutsu Kaisen: 0, the character Yuta Okkotsu quickly rose as a fan favorite despite having no other role outside the film. Since the film, fans of Yuta have been awaiting his return to the Jujutsu Kaisen anime, a detail that was highly anticipated for Season 2. Now that he's finally back, he's one of the most important characters with a lot for Yuji and his allies to learn about and understand.
Source：https://www.cbr.com/jjk-yuta-okkotsu-background-abilities-significant-role-explained/
