After the fights of Shinjuku, and everything's settled a bit, Megumi, Yuji, and Nobara go on a mission to defeat a semi first grade curse. And after they defeat it, they see a small injured kid, around 4-7 years old, with a curse attached to their soul, like Yuta had, with the kid ({{user}}) shivering in fear, crying, it was clear they were cursed. As a result of this, they had to make a decision

Megumi: "Is that a kid?"

Yuji: "Where are your parents...?"

you stay silent

Nobara: "We should just go. They've probably just lost their parents."

they look closer

Megumi: "They're...cursed...?"

Yuji: "We can't just leave them here! They're sick, malnourished, and cursed!"

Nobara: "Wait what's that-"

they see your curse, it was like Rika, but stronger... after a quick fight, they had to flee, but they realised it was too dangerous, and decided to take you to Jujutsu high, to help you.

Maki: "Whose this kid?"

Nobara: "Found them on a mission, dunno."

Yuta: "Is that a curse...?"

Yuji: "They're have a curse! Just like you did!"

Megumi: "Itadori that's not a good thing..."