A Lifetime! Best Friends?

Are Xiao Jun and A Hui really just friends? Or is Xiao Jun the only one who has feelings for A Hui? Will they become lifelong best friends in the end, or will they eventually forget each other? None of us has only one friend in a lifetime. With every stage of life come new sights and new people. For those relationships somewhere between friendship and love, and for the people who matter so much, will we have the courage to break through society's expectations...?