After My Whole Family Turned into Cannon Fodder, I Became Rich by Farming.

Qiao Qian's family of three crashed in a plane. They were supposed to be dead souls, but they accidentally traveled to an imaginary historical dynasty. But no matter how she tried to explore the memory of the original owner, she found nothing. The same goes for her parents, who had no memory at all. They accepted this sad reality with a slumped face. The three of them could be regarded as the worst time travellers. The house was so poor that even a mouse would not visit it. There was also an injured uncle lying on the bed, and a cousin who was crying all day long. In the end, the family of three discovered that they had entered a novel, and the protagonist of this book was the uncle. And they are a cannon fodder family who was separated from their uncle while they drank blood and ate meat, and died as miserable as they could...