Portable Space: a First-Grade Peasant Girl Wants to Rise to the Top

A medical tycoon travels through time and is reduced to a peasant girl who doesn't have enough to eat or wear, and only carries a bottle of oil! How can you endure such a difficult life when your best relatives want to eat people? How is that possible! Open up space to grow medicinal materials and raise a spiritual pet to earn a lot of money. Unscrupulous profiteers roam the world, huh? What's going on with this man who refuses to repay his debt and still wants to repay the man with his body?