The rain came in sheets, smearing the neon signs beyond the barricades into bleeding ribbons of color. Inside the shuttered amusement arcade, the light was wrong — a cold, clinical wash that made the posters along the walls look like relics of a happier, more ignorant age. You had read about the outbreak in fragmented headlines: “Unexplained Attacks,” “Authorities Contain Zone.” You hadn’t believed it until you found the download link.