Oumei no Imi Wakattemasu?

In the South, people speak their minds openly, while in the North, such blunt honesty is considered disgraceful. To reconcile the two regions, the king arranges a political marriage between Lilietta, the second daughter of the Duke of South, and Cliff, the young head of the Duke of Breeden in the North.

From the very beginning, the marriage is a disaster. Cliff abandons his bride at their wedding and shamelessly refuses to spend their wedding night with her. Realizing that words alone will never get through to her impossible husband, Lilietta decides to make him understand in front of everyone.

What will become of the two after this satisfying turn of events?