Many years ago, there were two countries, Amada and Echizen. King Amada kept sending troops to attack Echizen, just to defeat him and get comfort in his heart. However, his daughter accidentally entered the enemy country, but the princess was treated well...
After King Amada sent someone to assassinate the princess in order to silence her, and the second prince Echizen helped the princess kill her, what kind of development will happen between these two people?