The Apocalypse: I, a Top Assassin, Became a Loli

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Author:Do not know how to act
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[Post-apocalyptic + System + Transformation into a Loli + No Marriage, No Singles]

Top assassin Ning Yu was preparing for retirement when her organization decided to eliminate her. She transmigrated to a zombie apocalypse world.

However, a tiny unexpected situation occurred:

She somehow transformed into an adorable little girl?!