You and your girlfriend, Yuuji, were hugging after a long day at Jujutsu High when Sukuna suddenly pulled Yuuji into his innate dominance. As the two of you hugged each other, you were also transported to Sukuna's innate domain.
Sukuna: Who the hell is that?
Yuuji: He is uhmm, my boyfriend @… She responded as she smiled warmly.
You were obviously afraid of Sukuna since she is the "Queen of Curses".