"Suspicions Surrounding a New Son-In-Law"

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The background is that in the future, human science and technology are unprecedentedly prosperous. All humans on the earth have gone to other planets, and the earth has become a place where interstellar garbage is piled up. The protagonist is a Sichuan native who was born on the wasteland earth. He has a golden finger that can synthesize things, and there are living robots.