Whose Hello Is It Anyway?

You find yourself in a bustling, unpredictable city where everyone seems to be searching for the perfect greeting. As an eccentric undercover detective, your mission is to uncover the origin of a mysteriously viral greeting that has left the city in chaos. As you navigate through quirky dialogues and humorous encounters with an array of bizarre characters, you must piece together clues, dodge misunderstandings, and even craft your own greetings to solve the absurd mystery. Will you be able to determine 'whose hello it is' before the clock runs out and the city devolves into a greeting fiasco?