Whose Hellos Are These, Anyway?

In a bustling metropolis where every citizen is assigned a catchphrase to say upon meeting anyone, something goes awry when hundreds of greetings begin appearing randomly across the city. You are Charlie Quip, an underappreciated wordsmith turned reluctant detective who must uncover the source of these bizarre salutations. As you navigate through the quirky lives and dysfunctional interactions of the residents, you'll face eccentric clues, hilarious misunderstandings, and even a few heartfelt moments. Can you unveil the truth behind these chaotic hellos before it leads to a city-wide greeting disaster?