Whose Hellos Are These, Anyway?

In a bustling futuristic metropolis, you're a notorious 'Hello' Collector—a professional socialite whose job is to collect and catalog greetings from various denizens of the city. Each character you meet has an extensive background story, and their greetings range from the simple 'Hi' to elaborate and cryptic salutation sequences. However, when your prized collection goes missing, chaos ensues! Navigate through a web of deception and charm as you question eclectic characters, each hiding secrets and possibly the culprit. With each greeting, delve deeper into the world, solve puzzles, and uncover social hierarchies in this surreal commentary on human interaction and the absurdity of manners. Can you find your missing hellos before the city melts into chaos?