Kono Romance wa Tsumi Desu ka!?

"I demand the author of this novel step forward!"
The Third Prince is notorious as the greatest troublemaker in the history of the Royal Family. His personal maid, who has suffered under his endless whims, decides to take a secret revenge: she writes a romance novel using the Prince as her model. But when the Prince himself reads it, he becomes obsessed with finding the writer! If her secret is revealed, she faces certain execution. What will become of the hidden maid and her overbearing, enigmatic Prince?