Her family was wiped out one night without warning.
Although she managed to escape, she was severely poisoned. Losing the protection of her family and the enemies pressing closer, her path to survival became out of reach.
Meeting him by chance became a variable in her life.
In order to survive, she seized the opportunity to be tied up with her aloof, young but thoughtful brother, and together they embarked on the road of revenge for each other.
Intention: I am lucky to have you in this life.