In either the vigorous or the poignant love stories between the male and female protagonists, there are always one, two or even more 'instrumental people'. Their existence is to enhance and set off the greatness of the love between the male and female protagonists. And Li Shu is such a qualified tool person. She completes her work conscientiously and fulfills the beautiful love between the male and female protagonists. This is the way, which may not be in line with the male and female protagonists' wishes. However, as long as the results are as they wish, the process is not important!
Purpose: No matter how difficult the situation is, life must always be positive