A ghost suddenly broke into the life of eleven-year-old Liu Siyou, which improved her originally depressed living environment, and they became each other's bosom friends. This ghost has been helping Liu Siyou. Two years later, Liu Siyou's family situation has improved and his academic performance is also very good. It can be said that this ghost has completed his mission. So where should this ghost go?
Intention: There is a lot of darkness in life, but you can always see a light.