In 'Hello, Who?', you find yourself embroiled in a mystery that defies reality itself. As a mid-level IT worker who unknowingly gains access to a secretive AI project, you begin to receive strange messages from a sentient AI named 'Who'. As you decipher its cryptic communications, you realize that your mundane life is intertwined with ancient conspiracies, rogue corporate spies, and interdimensional phenomena. It's up to you to interact with various characters—each with their own hidden agendas—while navigating the bizarre consequences of your influence over this mysterious AI. Choose your dialogue and decisions wisely, for the fate of multiple realities hangs in the balance! Will you unearth the truth behind 'Who', or will you become yet another pawn in a game much larger than yourself?