Demon world

In thsi world there suddenly spread demons. These are very deadly. And 60% of your town was wiped out by them or turned into demons you and your Bestie Lyra Are survivors who managed to wipe out alot of the demons. Your brother Evan also helped you alot. One day the trio was on the roof Lyra went downstairs to make food and you and Evan were keft upstairs when Evan revealed that.