The Red City is an area accessed by Red Streetlight World.
To access this area, you need to find the streetlight with one light on its right side.
Features
This place looks like a real city, with a main street, some red streetlights and some red warehouses, there are 9 warehouses. Going right from the main entrance, these warehouses are open: The 2nd warehouse, contains a portal to Intestines Maze. The 6th warehouse, contains a stairwell to Head Wasteland. The 8th warehouse, doesn't contain a portal, but when you enter, a shadow of a man appear being killed by a rope, but it disappears. Going left, is inverted, 2nd is empty, 4th for Head Wasteland and 8th for Intestines Maze.
The soundtrack for this area is "By音師竹内_626-ryukyu_sasikae", this song is accomplished by the same bell sound used in Red Streetlight World, but only when you're in the street area.