Quick mission: We don't make trouble

Zhu Qingqing and Zhu Yingying, two sisters, went on a trip with their parents and daughter, but unexpectedly they ended up on a time-travel journey. Zhu Qingqing: Why is this? Why do other people who travel through time all look beautiful, or have good parents, but when it comes to me, I am still my original body with an old face and a little tail~ What's wrong? Wu Di: Mom, I really traveled through time. Putting my hands on my hips and laughing three times: Hahaha... From now on, say goodbye to all kinds of interest classes, mom doesn't have to worry about my studies anymore, I'm in the unknown world, I want to walk sideways. So easy! Zhu Yingying: It's so sad, it's so sad, I actually traveled to this ancient time where birds don't shit and chickens don't lay eggs, I want to...