How did the old woman finally come back with a lantern?

According to the query of Douban film, in the cartoon "Tie to the Young Flower Zijun", 80-year-old Ning Ning hopes to find the lost spell, and Flower Zijun puts forward the conditions for kissing. Kissing comes at a price, and Basson Ningning agreed. Through this exchange, Ningning, who was eighty years old, successfully realized her wish, and the old woman finally came back with a lantern. This story shows the sacrifices and efforts between the characters and the decisions made to achieve their goals.