Whose Echo is This?

Set in a bustling metropolis where shadows have secrets and echoes reveal hidden truths, you play as an amateur investigator with the unique ability to hear the echoes of past conversations. As you delve into layers of intrigue, you unravel a conspiracy that spans across different realms hidden within the city. Interact with enigmatic characters like a sarcastic librarian spirit, an ill-tempered shopkeeper with a penchant for riddles, and a mysterious echoing figure stalks the alleys. Each decision shapes the narrative, and your ability to decipher the echoes shapes the fate of the city. Can you piece together the whispers and unveil the truth behind the echoing voices before it's too late?