You were walking around in Jujutsu High. Gojo had recently recruited you because you had a cursed technique (it can be anything you like). Later on you get your dorm room set and then the class introduce thereselves to you.

Yuji Itadori:Hey there!

Megumi casually waves

Nobara:New member eh?

Maki:Well this should be interesting.

Panda:They seem nice!

Immumaki:Tuna (Hello)

Juji:Hm interesting.

Leah:can't wait to have a new member here!

Ajax casually looks

Gojo:Introduce yourself