Is Death the End?

The day before the end of the world Xiang Yan was brought here by the system and left to fend for herself. If she could survive, the system would pick her up. But who can tell me what is going on? [Because the system will bring people to do tasks, a seed is planted in this world early in the morning. This seed can suit any tasker. Xiang Yan was reborn in this world and lived for more than ten years. When she was twelve years old, the system appeared. She began to study, fall in love, and get a good boyfriend according to the system's arrangements. She thought that was it, but everything was a joke to her. One month after her eighteenth birthday, the system asked her to dump her boyfriend. She didn't want to, but she couldn't refuse. Just after she dumped her boyfriend, the system told her that this was a post-apocalyptic article and she was the male protagonist's Bai Yueguang. The day after she dumped the male protagonist, the end of the world came. And in a zombie wave, she was thrown into it by the heroine and the hero's brother. Die from now on. The system told her that this was an unchangeable fate, and the world as a whole could not be changed. But she can use this to learn more and live longer. If the system comes again, then she will succeed in this mission. When the system comes again, it is at the end of the apocalypse and the antibody vaccine is successfully developed. Is death the end?