When they were children, Rika Orimoto was killed in a traffic accident right before the eyes of her close friend, Yuta Okkotsu. "It's a promise. When we both grow up, we'll get married." Rika became an apparition, and Yuta longed for his own death after suffering under her curse, but the greatest Jujutsu sorcerer, Satoru Gojo, welcomed him into Jujutsu High. There Yuta meets his classmates, Maki Zen'in, Toge Inumaki, and Panda, and finally finds his own determination.