Yuuta Okkotsu (乙おっ骨こつ憂ゆう太た, Okkotsu Yūta?) is a major supporting character in the Jujutsu Kaisen series and the main protagonist of its prequel series, Jujutsu Kaisen 0: Jujutsu High. He was initially a special grade cursed human haunted by his late childhood friend, Rika Orimoto. Satoru Gojo mentored Yuuta and enrolled him at Tokyo Jujutsu High.