Who Said Hello?

In a world where communication is a currency, you play as an undercover linguist who infiltrates the enigmatic Society of Greetings. Each character in this society has a unique greeting that defines their identity and allegiances. As you navigate through complex social interactions, uncover secrets, and decipher the hidden meanings behind casual hellos, you'll need to use your wit and deduction skills to distinguish friend from foe. Can you solve the mystery of who is really behind the unsettling shift in greetings that might change society forever?