Who Said Hello?

In a bustling city teeming with secrets, you, a down-on-your-luck private eye, receive a string of peculiar letters signed only with the words 'Hello.' Each letter leads you deeper into a labyrinth of absurd characters, quirky events, and associated dangers. As you investigate these bizarre encounters, you must unravel the mystery behind who is sending the messages and why. Each decision you make takes you down different comedic and dark paths, with encounters that range from hilarious to nerve-wracking. Who knew figuring out a simple greeting could lead to such chaos?