Unlike Hatsune Miku and Kagamine Rin and Len,Megurine Luka's costume is not based on a school uniform.This is probably because Luka has a "moody yet husky female voice" with a "cool,somewhat mysterious" character.Here is Vocaloid Megurine Luka cosplay costume:
Details: http://www.eshopcos.com/cosplay-costume/game-costume/vocaloid
