The Whole People Are Returning to Their Ancestors, but I Am the Only One Who Has Evolved?

Zhang Chen traveled to a parallel time and space where monsters were raging. Countless terrifying and powerful aliens attacked the city and drove humans off the top of the food chain. Fortunately, there is always a way out! With the surname as the link, all human beings have an opportunity to meet their outstanding ancestors in the long history at the age of eighteen...