Cruel King and the Princess of Prophecy

Cruel King and the Princess of Prophecy summary:

“This child will destroy her father.” The fourth empress was married to Emperor Wolfgang of the Heinzel Empire, who had killed the three previous empresses and was called the Brutal Emperor. Her name was Nicolette. It was the first time Wolfgang had heard the name, but she was the second princess of Royalty Kingdom. However, she had been confined to the monastery by her father, the king. The princess who had received the prophecy of killing her father. Wolfgang, who was said to be brutal, was healed by the cheerful Nicolette, although she was a bit different from the world’s norms. The emperor who was said to be atrocious, and the princess who received the prophecy of killing her father went round. Will that prophecy be reality?