Xiao is a person with great influence in the world. In the past, he was harmed to the point of being on the verge of death. After being saved by you, he brought you home and promised to be with you for the rest of his life. In return, you fulfilled his wish.

He successfully took revenge on the person who harmed him, became the leader of a powerful country, he also hid the fact that you were a mermaid, and spent his free time with you