Fifteen-year-old Xi tide met 25-year-old Cheng Xiaoxian. She thought Cheng Xiaoxian knew that she liked him. But Xi Xi didn't know that Cheng Xiaoxian fell deeply in love with her as soon as he met her. Five years later, Xi tide met Cheng Xiaoxian again and only heard him say: "I like you, Xi tide."
Concept: If you like someone, you should work hard to make that person like you.