In a world where greetings are treated as currency, you are a lowly janitor in a quirky, bustling metropolis known as Lingtown. When an eccentric millionaire is found dead, the investigation sparks a bizarre social phenomenon—the citizens begin forgetting how to say 'hello.' As the new custodian of the city's old greeting archives, you are thrust into a wild quest to uncover the truth behind the millionaire's demise, desperately trying to restore greetings and save the city from awkward silence. Engage with eccentric locals, solve humorous puzzles involving the art of salutations, and traverse vibrant chat-themed neighborhoods while discovering the hidden lives behind seemingly trivial hellos.