Hu Youyou was just an ordinary recent graduate, until her unscrupulous landlord screwed her over and sent her to the ancient world, where food and clothing were scarce. Luckily, the little apartment she'd been renting came along too. Since she'd transmigrated, all she could do was roll up her sleeves and get to work. Just as she was making great progress, her landlord showed up again to cause trouble.
A little scene: "Hey, your rent is due. Would you like to renew your lease?" "Yes, renew it, renew it." "Tenant, you're out of money. Would you like to exchange something?" "Wait, I paid a year's rent before. Why do I have to renew after only three months?" "The landlord's out of grain."
This story focuses more on career than romance.