The King's Concubine

King Taehyung of Longlands Palace has his Queen but he is also married to his concubine Junkook.He is the one to carry the heir of the king due to the Queens barren state.Junkook however finds out he is expecting again and tries by all means to run away with atleast one of his children raising her as his own knowing ones she is born in the palace she won't even know that he is her eomma.