The band was formed in 2005 and produced and released a number of materials themselves up until 2009 when they signed with the indie label U-Project. While with U-Project, they released the singles "Japanication" and "Kanjō Discord" before signing a major record deal with
Sony Music in 2010. Their major debut single, "Liar," was released on August 11 and was used as the theme song for the drama
Hammer Session!. Their second major single, "Last Moment," was released on December 1 and was used as the 25th ending song for the
anime Bleach. Spyair's indies debut single "Japanication" was re-released on March 16, 2011, followed by their fourth major single, "Samurai Heart (Some Like It Hot!!)," on June 8, which was used as the 17th ending song to the anime
Gin Tama. In early 2012, the single "My World" was used as the second ending song for
Mobile Suit Gundam AGE. The single "0 Game (Love Game)" was used as an official soundtrack for the 2012 film
The Amazing Spider-Man in Japan. They also provided the theme song for the
second Gin Tama movie, "Genjō Destruction". Their eighth major single "Naked" was released on September 5 and was followed by the announcement of the band's second album,
Just Do It, which features 12 tracks including their last three singles. In October, DJ Enzel☆ announced that he would be leaving the band after their
Nippon Budokan concert on December 18. The single "Wendy: It's You" was used as the theme song for the drama
Koi Suru Hae Onna, which started airing in November. On December 18, the band successfully held their first live concert at the Nippon Budokan, performing a total of 21 songs including their latest singles. This concert was Enzel's last performance with the group. After the concert, they announced a new single, "Sakura Mitsutsuki," set for release on March 13, 2013. It was used as the 13th opening song for
Gin Tama for the month of January. Spyair's third studio album,
Million, was released on August 7. On September 23, it was released by
JPU Records in Europe, where the CD only version included three bonus tracks: "Last Moment," "Samurai Heart (Some Like It Hot!!)" and "My World." In October, the single "Just One Life" was used as the first opening song of the anime
Samurai Flamenco. Their next single "Imagination" was released on April 30, 2014, and served as the first opening song of the anime
Haikyū!!. The single "Firestarter," released on July 22, 2015, was used as the theme song for the drama
The Last Cop. In October, Spyair contributed with the first opening song of the second season of
Haikyū!!, "I'm a Believer", and a year later, their single "Rage of Dust" was used as the opening song of the second season of
Mobile Suit Gundam: Iron-Blooded Orphans. On March 31, 2022, it was announced that Ike would be leaving the band due to struggles with
ulcerative colitis. On April 13, 2023, Ike's replacement was announced to be 24 year old Yosuke. == Musical style and influences ==