Sin Slave Is a Concubine: This Lazy Guy Is a Hidden Dragon

Grand Tutor Gu Erhan interfered in the royal family's struggle and had everyone in his family beheaded. His daughter, Gu Feihuan, was sold on the black market as a 'sin slave' and was bought by a lazy man. Gu Feihuan, who was well-read in poetry, had a life full of sadness. Little did they know that the lazy man who bought her had a very mysterious background...