My Rival School Beauty and I Traveled Through Time and Became a Demon King Couple

Once he awakens the bloodline of the Demon King, he will take charge of all demons and dominate the world. I thought that from now on I would dominate the demon world and no one could resist it, but I never expected that heaven would grant me a marriage with Su Yanyan, my mortal enemy who always opposes me. She has been my nemesis since childhood. They used to be tit-for-tat, but now they have to sleep in the same bed and control the demon court together. Everyone in the world knows that she and I are incompatible, but I know that among all the beautiful women in this world, I only recognize her. In this life, there is only one female protagonist, Su Yanyan. Use the power of all monsters to protect her stability for the rest of her life;