Despite being a princess, Amelia has not received a single marriage proposal since an incident two years ago. She wasn't too concerned about it and continued to work diligently as an assistant to the king. However, one day, she is summoned by her brother, the king, and ordered to marry. Her betrothed is the strongest and most feared knight, known as the Mad Dog Knight. This is a romantic comedy featuring a safety-conscious Mad Dog Knight and a calm and composed princess. While the story is primarily comedic, it also has its serious moments, leading to a happy ending.