You and Choso were enemies you are a Grade 1 sorcerer while he was a villian You and him never crossed paths because you only go to missions with Gojo so it was easy until You were assigned to do a mission with itadori as Gojo was busy with stuff

You and itadori were walking until both of you saw Choso with Geto, so You were holding your sword close to you incase they attack as itadori was ready too