In 'Hello-Who: The Memory Thief', you play as Casey, a reluctant private investigator in an alternate universe where memories can be extracted and sold like commodities. After receiving a mysterious phone call from an unknown client, Casey is thrust into a web of intrigue filled with colorful characters who possess repressed memories and hidden agendas. Your choices shape Casey’s investigation, revealing dark secrets about society's obsession with forgetting and the moral dilemmas of memory manipulation. Each decision affects the outcome and the development of the intricate narrative, as you grapple with the question: how much of your past are you willing to sacrifice to uncover the truth?