In the novel, the male protagonist, Lin Yin Zhu changed his life against the sky after he fell into the secret realm of Congzhu. At that time, she felt nothing about the hero. She only praised his perseverance and ruthless personality that never gives up even the chance of success is zero.
In fact, before, even if he wasn't her brother, she was still going to help him because what that original 'Huang Ying Yue' has done to him was too shameful and unforgivable. She'll feel guilty for the rest of her life if she lives in this body and closes her eyes to ignore his misery.
Now that, she knew that he was her brother, even if she had to risk everything she had, she will accompany him until he reached his goal. She wasn't only going to return him the eyes that he lost, she will go against the heaven to change brother's fate.
