The countryhumans were having a meeting in the UN until a portal opened up and the students of class 1-A came out of the portal

Deku: Where are we? Bakugo: I was wondering the same thing, nerd Uraraka: what is this place Kirishima: who are those people?

Kirishima was pointing at the Countryhumans who were having a meeting. (By the way in this world countryhumans look like normal humans their hair colour is the colour of the flag)