In 'Whose Am I? The Memoir Mystery', players take on the role of a quirky librarian who wakes up one morning with the inexplicable ability to absorb the memories and identities of people through scanning their personal belongings. As they delve into the lives of various characters—from an eccentric artist to a secret agent—players must uncover a conspiracy that links their transformations. As they navigate twisty plots, solve character-driven puzzles, and face moral dilemmas, the librarian must choose which identities to hold onto and which to let go as they attempt to piece together their own fractured identity. The game unfolds in a richly detailed narrative, featuring humorous dialogues and dramatic choices that affect not only the librarian's fate but the lives of those they become.