The End of the World Has Arrived: a Whistle Has Appeared in This World

Due to the large-scale use of nuclear weapons, some humans in the world began to suffer from high fevers. At first, people thought it was just a common flu, until some people began to have a desire for blood. At the beginning, the older one was 9 years old and the younger one was 5 years old. "Brother, where are my parents?" "Nannan, your parents have become stars." "Brother, where are your parents? Have they turned into stars too?" "I don't know."