The male protagonist is the Ice Demon King. The female protagonist is a little noob. The recommendations are as follows: [1. Devil's Day: The story of a magical adventure between the Ice Demon King and the Little White Female Lead on a cursed continent.] Although Iceberg Demon King was cold and heartless, she was full of affection. The female protagonist was relatively simple at the beginning. As the plot developed, she gradually grew up and developed a deep relationship with Iceberg Demon King. 2. Ice Demon Emperor: The male protagonist, Ice Demon King, and the female protagonist, a princess imprisoned in the Ice Palace. The two of them met in the Ice Palace and were repelled by each other due to a misunderstanding, but as the plot developed, they gradually understood each other and finally came together. The female protagonist in this novel was relatively inexperienced, but she had a strong personality and her own thinking and judgment. 3 " Rebirth of the Demon World ": The female protagonist was a little white female mage who had been transmigrated to the demon world. The male protagonist was a powerful demon king known as the " Ice Mountain Demon Emperor." The two met in the demon world. At first, they were repelled by each other because of their respective beliefs and positions. However, as time passed, they gradually understood each other and finally came together. Although the male protagonist in this novel was cold and ruthless, he also had a gentle side to him.