Whose Hellos Are These, Anyway?

In a world where every greeting carries a secret, you play as a down-on-their-luck private detective in a bustling city. Your latest case involves strange messages left at various locations, signed only with cryptic hellos. Each 'hello' unveils a hidden personal story, leading you deeper into a conspiracy that entwines the lives of quirky locals. As you piece together clues through engaging dialogues and mind-bending puzzles, you'll confront the psychological turmoil of those you interact with, revealing that some secrets are deadly. Can you untangle the web before the clock runs out?