He Was Killed by Design in His Previous Life and Was Reborn with a System Cheat

The legitimate daughter of the Household Secretary fell from a cliff. When she was found, she was covered in wounds and dying, hanging by rare medicinal materials. Just as the Tang family was preparing for the funeral again, the legitimate daughter in the backyard woke up. // The only son of the Tang family, her husband-in-law, and the youngest general in the dynasty, died on the border due to an enemy ambush during his expedition. There is only one child left in the Tang family who is still babbling. // Lin Qing, who originally thought she was dead, woke up and found that she had traveled through time. Since I have inherited this body, it is just right to eliminate future troubles for the sake of my happiness in the rest of my life...