Whose Hellos Are These, Anyway?

In a quirky metropolis filled with eccentric characters, you play as a down-on-their-luck private investigator who stumbles upon an absurd mystery where unknown entities are leaving greetings around the city. Each cryptic hello leads you through a web of interactions with bizarre residents, odd jobs, and humorous side quests. As you uncover the origins of these mysterious messages, you must navigate the city's social dynamics, unravel quirky subplots, and ultimately confront a secret society that believes in communicating solely through greetings. Can you figure out who’s behind these hellos before the city goes completely bonkers?