Whose Hellos Are These, Anyway?

In a bustling city where people's greetings have mysteriously started to change, you play as Charlie, an underachieving yet witty barista who discovers an underground society of 'Hello Swappers.' Each greeting carries a hidden meaning, and it's your job to unravel the chaotic exchanges that are disrupting social norms. As you navigate through a series of quirky encounters and head-scratching dialogues, you'll collect 'Hello Tokens' to piece together the puzzle of these bizarre salutes. Can you restore the city’s greeting etiquette and unveil the mastermind behind this madness before it spirals into deeper social confusion?