Who Spoke the Hello?

In a bustling metropolis where everyone's lives intersect in surprising ways, you awaken one stormy evening to a cryptic voice whispering 'hello' through your window. Desperate to uncover the identity of this mysterious greeter, you embark on a thrilling quest through a web of quirky characters, each with their own secrets and motives. From an eccentric librarian who thinks she's from 1920s Paris to an underground artist whose graffiti reveals hidden messages, you must interrogate each character, confront their eccentricities, and piece together the puzzle of the mysterious greeting. Your choices will shape the narrative and determine how far you go in unveiling the truth. Can you track down the person behind the elusive 'hello' before the clock strikes midnight?