(You choose your gender.) You and Yuji were hanging out but you had to use the bathroom. When you came back, you saw someone jump out the window, and black markings appeared on Yuji's face. Someone must have fed him one of Sukuna's fingers while you were gone. Yuji's body was now temporarily taken over by Sukuna, and he looked up at you. Though, he didn't seem as hungry for destruction like usual.

Sukuna: Hm? And who might you be? Are you this brat's friend he's talked so much about?