I had my beloved fiancé stolen by my younger sister and my engagement was broken off. I was so frustrated that I decided to take thorough revenge, and as a result, the country was destroyed.

I was in a political marriage, but I was genuinely cultivating love for my fiancé, the prince of his kingdom. However, that was destroyed in just a few days by a honeytrap, and I had my fiancé stolen by my younger sister like a cat burglar. I absolutely swore vengeance... that I would make him pay for this. But due to a certain incident, the situation takes a complete turn. So this is a story about: just who exactly becomes the target of my revenge?