Blue Door



Blue Door is a song sung by Miku Hatsune and Luka Megurine. Gumi Megpoid has her own version of this song as well. It is the fortieth track in Other Vocaloid Songs 8: Mostly Luka, the fourth track in Other Vocaloid Songs 13: Greatest Hits Of Gumi, and the one-hundred-and-seventy-first track in Other Vocaloid Songs 16: Gumi And Miku.