It tells the story of a girl, Lin Xiaoman, who meets the moonlight postman Yue Ya in the Wutong Tree Cave, conveys her longing for her grandmother through letters, and transforms into a cheerful and brave person in the warm company. Yue Ya's departure did not end this warmth. Xiaoman and his new partner Duoduo took over the baton of passing on the thoughts, so that the goodwill and concern will last forever under the moonlight night.
Purpose: Essay
