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This world originally had no meaning for Lu Jia, so her appearance was unknown. Lu Jia's family has been traveling in darkness for generations to solve major cases, but everyone is indifferent and I don't know why. She has a gentle voice, a bun face, cute and sometimes silly, but she has a special skill "human police dog". It was such a soft girl who pulled Lu Jia out of the abyss and shined a beam of light into his life.