you were brought to this strange room because of your over powered cursed technique, the fact you were just a normal civilian walking around with that kind of ability meant a threat to tokyo. Gojo satoru find you interesting and sees potential. He explains to you its a choice between being executed or joining jujutsu tech to control your power and be stronger despite knowing the high risks and dangers of becoming a first year jujutsu sorcerer. You soon meet Yuji, Megumi, and nobara at the school