The Gray I Drew from the Prize Box Became My Sister

The Ancients Watched the Live Broadcast on the Sky Screen and Didn't Always Brush up on History. Who Would Keep Brushing up on This?

Looking for Books About the Three Sisters of the Mi Family

It's just an ordinary time-travel novel, without any system, relying on those who are familiar with the plot to participate in the plot (there are so many popular preferences nowadays, are there no simple ones like me?)