Whose Hellos Are These, Anyway?

Step into the shoes of a disenchanted amateur detective who must navigate through a bizarre urban world where every conversation begins with a cryptic 'hello' that leads to unexpected story branches. After receiving an anonymous letter inscribed with a peculiar greeting, you find yourself entangled in a web of quirky characters, each with their own peculiar relationship to the mysterious 'hellos.' Each interaction presents choices that drastically alter the narrative direction, leading you deeper into a darkly humorous storyline intertwined with whimsical elements and dramatic twists. Can you piece together the connection among the hellos before they lead to your downfall?