At a distance in the Blanks family household, the condition were not so well. There neighborhood had already been surrounded by the wild demonic beasts, and most of the people they knew had been killed—some right in front of their very eyes.
They had no place to run, nor a place to hide. All they could do was hold out and surive until someone adventures or a military unit arrives for help. Ron was aware of this, and of his powerlessness as well.
He had seen some of his friends try to fight those beasts with the sword art skills they had, and he had seen all of them get killed before he made the decision to take her wife and escape to the roof of their house.
As of now it was the safest place since they at a place where the beasts wouldn't notice them normally. But he didn't know until how longer it will be a safe place; those monsters were falling down from the skies, after all.