Male protagonist and female protagonist version
After her family was destroyed, she took on the mission of revenge.
He came from hell and was reborn from the ashes. He thought he would walk alone for the rest of his life, but he unexpectedly met her. So the two hearts trapped in the quagmire licked each other's scars.
Simple version
The heroine continues to grow in pursuit of revenge after her family is destroyed, and she gains friendship and love along the way.