Traveling through the book to the Apocalypses , refusing to be a cannon fodder

When someone else travels through a book they become the protagonist , but she dressed up as a cannon fodder female supporting role. It doesn't matter if the female partner is a female partner or not, there is absolutely no way that a cannon fodder can be used as cannon fodder. Relying on the golden finger gifted by God, she must make a good breakthrough in this apocalypse! If you don't have enough strength, just try to develop. When you have the ability, leave the male and female protagonists of the original book.

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this story is not mine
Author name : Guatian's Dream Girl \瓜田笔下梦中人