C494 The Disappearance of Chihuahua
"These were all names decided upon a long time ago by the ancestors of the Guardian Family. Why did they have to use red, orange, yellow, green, cyan, cyan, cyan, and purple … "I'm not too sure either." It seemed that Lan was somewhat puzzled by such a name.
If you changed their names slightly, they would look a bit larger. However, these seven doors were simply called red, orange, yellow, green