Ignite (Eir Aoi song)

"Ignite" (stylized as "IGNITE") is a single by Japanese singer Eir Aoi. It was released under SME Records on August 20, 2014. It was used as the first opening theme of the Sword Art Online II anime television series. It reached number one on the Billboard Japan Hot 100, and also reached the ninth place on the weekly Oricon Singles Chart. It also received a digital download song certification of Platinum from the Recording Industry Association of Japan for sales of 250,000.