In 2145, the rain in Neon City always smelled like rust. Heavy raindrops hit the tempered glass of the abandoned data tower, making a crackling sound, mixed with the never-ending sound of maglev traffic outside the tower, forming a dull web. Chen Mu held an almost-burning synthetic cigarette in his mouth, and his fingertips jumped quickly on the scratched holographic keyboard. The light blue data stream spread out in front of his eyes, like a group of restless fireflies.