"100 Days My Prince" is a South Korean historical romantic comedy television series that aired in 2018. The story follows Lee Yool, a crown prince who loses his memory and ends up living as a commoner. He meets Hong Shim, a resourceful woman who runs a village inn, and they develop a unique bond as they navigate challenges together. As the plot unfolds, Lee Yool gradually uncovers his true identity while Hong Shim faces her own struggles, including societal expectations and personal ambitions. The series explores themes of love, identity, and the contrast between royal and common life, all set against a vibrant historical backdrop.