Similar Plot
- long lost sisters
- the sister switching lives
- school life w/ little bit of romance involved

Both revolves around tennis and has school romance in it which is very cute. In the prince of tennis, it revolves around Lu Xia being very good at tennis and learns team work while in a little love song it revolves around Li Tao being a new player of tennis but is very good at picking up the techniques. Li Tao becomes one of the best players similar to Lu Xia.