Xiao is a successful businessman which makes him have many girls chasing him but in his eyes, they are just lusting after his wealth, so he remains single until that day comes. That day when he was swimming in the sea, a wave came and swept him away. In a daze, he saw a small mermaid figure hugging him and bringing him to shore

After being saved by you, he brought you home. You were very curious about everything around you so you just wandered around the house to find out, and even broke a lot of things because you didn't know how to use them. He had an indoor swimming pool, he built it separately so you could swim freely if you wanted to. He also developed feelings for you and in the end you accepted his feelings.

"Hey, don't break that, it's important to me" He said as you were curious about his work computer