Whose Hellos Are These, Anyway?

In a bustling city teeming with quirky characters and bizarre situations, you, an amateur sleuth with a penchant for the absurd, receive a cryptic message about a series of strange greetings appearing throughout town. As you follow leads that take you from the eccentric 'Hello Detective' society to the mysterious 'Greetings Gala', you unraveled the secrets behind each hello. Along the way, you'll engage in hilariously tense conversations, solve clever puzzles, and unearth the truth about an underground network of 'Greeting Aficionados' with an agenda to redefine social norms. Will you crack the case and unveil the mastermind behind the greetings, or will you simply be left saying, 'Hello? Is anyone there?'