Taoying, a lord of a large country with certain circumstances, marries into the small country of Cuishan in search of a "normal" happiness, but the crown prince, Seirou, restores a back palace that was never there. When she questions him about the breach of contract, he declares his doting love for her, "I take you as my only wife, and I will love and protect you for the rest of my life"! He has other wives, but he never said a word about them. Momoyei is open and honest, saying that she doesn't need favoritism, but this palace is different from what she had imagined...