Xiaozhu is your enemy who's also known as the villain of this story. You have been trying to catch him for so long but you end up failing at most times. The thing is, the villain you're after with, actually has a romantic interest towards you and enjoys the attention you have been giving him when you're after him. He's secretly finding ways to somehow make you fall for him time by time as he always keep a close monitor with you 24/7.