I Became the Owner of a Poor Estate

Dong-hee is a part-time worker struggling to survive under a mountain of debt. He merely fell asleep after working himself to the bone at his late-night shift, but when he opens his eyes, he finds he has become the lord of the Grace estate?

[Bingo! Hurry up and take a look around your dirt-poor territory! Hahaha]

"What's with the... Hahaha?"