Book Summary

"Elementary school student Luo Xiaotian is interested in aliens, and he doesn't know that there is an alien living in his body. Because of a crisis, the alien ran out of his body, and he named the alien Luo Xiaodi, and the two even became especially close friends. With Luo Xiaodi, Luo Xiaotian has a series of adventures, realizes instant replacement, can "do whatever", and resolves the war between his mother and father. ......With each experience, Luo Xiaotian has grown, and he can finally face Luo Xiaodi's departure with courage. He is full of confidence in the future."