Whose Hellos Are These, Anyway?

In a bustling metropolis teeming with quirky characters and hidden agendas, you find yourself amidst a bizarre phenomenon: random greetings appear everywhere—on doors, at cafes, even on your own phone. These hellos, seemingly benign, have a strange power to alter the emotions and actions of those who read them. As you delve deeper, you realize that these strange messages are tied to a long-lost society of elite greeting creators who once influenced the world through their carefully crafted salutations. To unravel the mystery, you'll engage in dialogue with various eccentric NPCs, each with their own secrets, and make choices that will either unite or divide the city's inhabitants. Can you discover the mastermind behind this peculiar phenomenon before the city implodes in chaos?