Runaway Princess, Hold Tight

A young girl from the modern society had transmigrated to the body of the ancient Grand Preceptor's daughter. The moment she woke up, she found out that she was about to marry a prince she had never met. What a joke, I haven't even brushed my teeth or washed my face. I've just arrived, and you're telling me to get married all of a sudden? There wasn't even a door! I can't beat you, so won't I run?...