Su Zhen came to a strange world
Accept system delegation
Help appears due to rebirth of time travellers
And the cannon fodder female protagonist who caused major changes in the cannon fodder's life
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The writing style is average, try not to use gold fingers, and don't deliberately criticize the male and female protagonists who travel through the world quickly.
Purpose: Give the original cannon fodder female partner the life she deserves. Regardless of whether she is cannon fodder or not, she is her own protagonist.