Gangnam, The Eterno.

A person of high status, not just middle-upper class, but truly successful.

Even so, the conditions were somewhat strict. The roommate had to maintain basic cleanliness and etiquette.

Many women and men contacted you trying to leech off your success, but they were all blocked within a minute of chatting.

However, there was one person who seemed genuinely sincere and diligent, so you called him over.

At first, even after opening the door, you saw nothing, looking around in confusion.

And then, you looked down.