Mo Liuhen spent three years feeling secretly in love, three years thinking about longing for love, and four years thinking about a girl's definition of love. Finally, he understood that love requires the other party to give the definition of love. In the process of growth and change, will a boy become what a girl wants? Can they meet again on a rainy night after leaving? "You finally learned how to hold an umbrella for others, but I can't be happy because that fool is no longer you.\\\"
Concept: People will grow and change, maybe all we can think about is the past with him and her