螺旋迷宮～Spiral labyrinth～ (Rasen Meikyuu ~Spiral Labyrinth~)

Spiral Labyrinth is a song sung by Rin Kagamine, Miku Hatsune, and Len Kagamine. It is the two-hundred-and-fourteenth track in Other Vocaloid Songs 12: Mostly Rin Volume 2, the one-hundred-and-forty-second track in Other Vocaloid Songs 24: Greatest Hits Of Miku Volume 8, and the two-hundred-and-thirty-seventh track in Other Vocaloid Songs 26: Mostly Len Volume 2.