Start with a Dog

As an ordinary member of the 21st century, I work non-stop every day just to earn enough down payment to buy a house. Seeing that I am almost saving enough money, the next step is to find a partner. But when I wake up, I find that I have turned into a dog, and a dog that has already married and established a family. One wife and five children, plus a job as a gatekeeper, with food and accommodation included, no time off and no salary.