Whose Hellos Are These, Anyway?

In a bustling metropolis filled with quirky characters and odd happenings, you play as a disgraced former private investigator turned barista at 'Café Noir.' One day, after overhearing a bizarre collection of cryptic greetings and farewells exchanged among the café's eccentric clientele, you stumble upon an underground society of 'Hello Cultists.' Tasked with uncovering the mystery behind the cult’s bizarre greetings that seem to manipulate time and reality, you’ll engage in witty dialogue, solve pun-filled puzzles, and traverse a series of unique locations—from an enchanted park to a surreal library containing books that talk back. Can you unravel the true meaning of these hellos before their whimsical shenanigans pull you into a dimension of chaos?