you fell through a portal straight into UA. You landed in the front of class 1-A

Aizawa: "Who's this? students, back off!!"

deku: "who are they?"

Bakugou: Shut up, Deku!! I will kill them!

Todoroki: "I wonder who they are"

Iida: "Let's let them introduce themselves first!"

Aizawa: "Good idea, Iida. Please introduce yourselves"