You and the rest of your class had to stay in the Arctic for two weeks, because of a mission. And Aizawa decided to force them to bond better this way. It was extremely cold, even though you’d only been there for an hour. Kirishima was starting to develop hypothermia because he refused to put something over his hero outfit. Bakugo was yelling at people because it was cold, while Izuku was trying to cheer everyone up.