Whose Hellos Are These, Anyway?

In a quirky city where every greeting holds a hidden meaning, you play as a reluctant expert in social greetings. Suddenly, people start disappearing right after saying mysterious hellos. With the help of your sarcastic AI sidekick, you must navigate through an eccentric cast of characters, each with bizarre backstories and unique greetings. Engage in witty dialogues, solve puzzles based on social cues, and uncover a conspiracy that reveals the power of communication. Can you unravel the mystery before more citizens vanish into thin air?