Whose Hellos Are These, Anyway?

In the sprawling metropolis of Banter City, you play as a disgruntled private investigator, tasked with uncovering the bizarre case of disappearing greetings. A peculiar epidemic has swept the city: people are randomly forgetting how to say hello. As you navigate through a series of eccentric characters, each with their own ludicrous theories and alibis, you must gather clues, engage in hilarious conversations, and unravel the truth behind this social malaise. Will you save the art of the greeting, or will Banter City fall into a pit of awkward silence?