Winning Over the Brilliant Strategist Is an Uphill Battle

The princess trespassed into forbidden territory and had her plans ruined by a mysterious stranger. In a fit of rage, she framed him for a crime. The emperor doted on his daughter and wanted to assert her authority, so he went so far as to wipe out the entire clan of a distinguished general. Thus their feud began. What kind of fantastical and winding story would unfold between the two of them?