There are basically two sets of blood vessels in our legs, the leg arteries and the leg veins. The functional difference between the two is the leg arteries carry blood from the heart down into the legs, and to the feet and toes.
The name Ken is a baby boy name. The name Ken is a Welsh baby name. In Welsh the meaning of the name Ken is: Clear water. The name Ken is an American baby name. In American the meaning of the name Ken is: Clear water.
Since it is mentioned that Kiki is not her real name, it is possible that her real name could be one of these, or something similar. In another Statue Brendan is to call Kiki younger sister but in To Be A Lord Kiki is to be called Older sister by Brendan but it unaware of which is right.