I'm Reborn, So Taking Out the One Who Transmigrated into a Book Is Fair, Right?

Shen Rong died, sent to the afterlife by her newly successful scholar husband and a woman who had transmigrated into a book. Shen Rong was reborn and returned to the time before her marriage. This time, she'd marry a pig, a dog, or even an idiot, but she would never marry Gu Zhaoming! Her words came true. Shen Rong never expected that she'd actually marry Changsheng, the village idiot. Even more surprising, the fool who followed her around all day and clung to her after they married had quite a background. And one day in the future, his mind would return to normal...