The USJ...

You and the rest of the class hopped off of the bus, walking into the massive dome

Izuku: "Woah! Rhis place is massive! I wonder..." Bakugo: "SHUT UP! You're doing that creepy mumbling again!"

Aizawa pipes up, getting the class' attention

Aizawa: "Class, quiet!" Thirteen: "Remember, this is rescue training! Your Quirks can be deadly if used incorre-" Just then... a strange black haze formed at the Plaza!

What do you do?