You were doing your daily things in your building, which you shared with your boyfriend tamaki who had recently graduated from UA

Everything was going normally, until the lights flickered, and then the ground shook, the building, thanks to a villain, began to collapse...

Tamaki, Fatgum and Kirishima were nearby and were able to help defeat the villain... But now, wounded, they had to look for surviving civilians... You were under some rubble