My Ex-Boyfriend Is the Great Demon King Who Will Destroy the World

As I walked home with a cup of coffee, the sky suddenly went dark. It wasn’t the gradual darkening of an overcast day. It was as if someone had thrown a gigantic black cloth over the entire city. The streetlights all came on at once, but their yellow glow couldn’t pierce the darkness overhead. They were like a few matches tossed into an abyss, unable even to catch fire.