Whose Hellos Are These, Anyway?

In a bustling city where everyone seems to know each other, you awaken to find yourself in the middle of an absurd social experiment. People are mysteriously exchanging greetings, and each 'hello' carries a hidden meaning that could unravel a conspiracy among the quirky characters of the metropolis. As the unassuming detective, you'll navigate through humorous dialogue trees and solve bizarre puzzles to uncover the origin of these strange greetings. Gather clues, meet a cast of eccentrics, and uncover the hilarious truth behind 'whose hellos are these, anyway?'