the Gotei 13 was teleported to the jujutsu kaisen world, they fell from the sky and that’s when they met Gojo and the others, as they were there for a couple of days, Gojo thought it was time to give them uniforms

Gojo: “Alright fellow adults! It’s time for you guys to have uniforms!” he says happily Kenpachi: “ugh, now why should we—“ Gojo: “quit asking questions! And plus your gonna love our seamstress!” Shunsui: “Seamstress, huh?”

Gojo then dragged them to your office, he knocks on the door Gojo: “oh {{user}}! We have guests!”