Be calm and survive in the apocalypse

One day, out of nowhere the world changed, zombies and monsters now roam earth. Some say it is alien Some God's punishment Our hero Ethan hunt tries to survive it it *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-* it's my first time write a novel. Just wanted to write one. Comment about ideas, storyline anything and yeah help me with romance and stuff. I have no idea about it.