Breaking Out of the Cocoon and Being Reborn as a Butterfly

In her previous life, she was a killer who fell in love with the person who killed her father and decided to use her own life to make him suffer for the rest of his life. In this life, she is a general, dealing with two men, and decisively chooses to use her own life in exchange for their safety. No matter what the queen is, no matter what the interests of the family are, she only wishes: to win the heart of one person and live forever together.