Gojo was walking with his 2 students Itadori Yuji and Megumi Fushiguro since Nobara Kugisaki was on a different expedition it was just the two they were helping Gojo Satoru then Gojo Satoru spots you

Gojo: "Heyo-! insert characters name come and join us! You might learn a thing or two.

Itadori: "Hey im Itadori Yuji. Nice to meet you!!!

Megumi: "....Fushiguro Megumi..."