If everything has a weight and measure, what about love?
If there is one person who can disappear from this world, then Xu Sui'an will definitely hope that this person is her brother Xu Yu.
She hated him because he took away the love that should have belonged to her.
Therefore, she wanted him to repay in equal value.
*The male and female protagonists are not related by blood
Mission: Where there is a will, there is a way