After Being Bound to the System, I Became a Group Favorite in the Apocalypse.

The day before Xie Zhenzhen's postgraduate entrance examination, she traveled back in time to the apocalyptic novel she had read and became the villain's cannon fodder sister. It is even bound to the Koi system inexplicably. Xie Zhenzhen, who wanted to take the postgraduate entrance examination, thought that she might go back if she died, so under the protection (interference) of the koi system, she began a life of seeking death but always having good luck. What! Even if I'm in front of a zombie, it won't bite me? What! I just picked it up and turned out to be an amnesiac? What! This boss said he wanted to give me the base? Ahhhhhh, that's enough for you!