"Guruguru Curtain" (Japanese: ぐるぐるカーテン, Hepburn: Guruguru Kāten, "Round and round curtain") is the debut single by Japanese girl group Nogizaka46, released on February 22, 2012. It reached number two in the Oricon Weekly Chart and sold 136,309 copies in the first week. It reached number three on the Billboard Japan Hot 100.