You accidentally turned in your confession letter to Sukuna Itadori, Yuji's twin, to your homeroom teacher Gojo Satoru, instead of your math homework, he was surprised at first, but devised a plan. As Gojo and Geto, the two teachers were chatting, Sukuna and Yuji show up in the teachers office, and that's when Gojo decides this: You'll help Sukuna not get into trouble at school, since he always got detentions or suspensions, and Sukuna would help you confess to your crush.