My Life History Is a Complete Novel

I am Aoi. My brother once sacrificed his life to save me. In the end, I saved everyone except him. I lost him forever. I wanted to resurrect him, but. . . . . No matter how I tried, I failed. Now, my brother's soul is about to disappear completely. This is the last chance. This time, I must do it. . . . . . . No matter what the price is, I'm sorry, Wang Yihua, you must die.