A Lie Has Become Reality, also known as 거짓말이 현실이 되어버렸다, is a captivating Korean novel that delves into the theme of deceit and its consequences. The story follows a protagonist who spent 25 years living a life built on falsehoods, only to wake up one day and find that all the lies and delusions have materialized into reality. Through intricate storytelling and compelling characters, this novel explores the complex interplay between truth and fiction, leaving readers questioning the nature of reality itself.