Luckily, You Were the Best of Them All

Su Xiao----A shy, quiet girl who is afraid of strangers. Yet one summer, when she was seventeen, she fell in love at first sight with a boy on the basketball court. Jiang An is a sunny, passionate young man, the campus heartthrob, admired by countless girls. Even he doesn't realize that he seems to treat only his deskmate differently, though he insists he sees her as a little sister. Where did their five-year promise come from?

Theme: A five-year promise: meet again at the top