Color House

The Color House is a office-tel in the middle of Seoul. An office-tel is a combination office hotel, which is a popular style of building in the city. The area would typically be very expensive to live in, but the main characters live there for a relatively low price. Sujin and Ara live together across the hall from Miho and Kyuri. By teaming up on rent, the young women are able to afford to share apartments on the fourth floor, which is the equivalent of an American 13th floor and is considered unlucky. Wonna lives on the bottom floor with her husband.

Ajax Salon

Ajax Salon is a high-class brothel in Seoul. It is the most expensive room salon in Nonhyeon and only employs the "top ten percent" of sex workers in the country. On the surface, businessmen bring their clients to the salon in order to...