is a female Japanese singer signed to the record label Lantis. She began her career in 2007 and since then has primarily sung songs that were used for theme music in anime. She released her debut album Reflection on July 2, 2008. Her second album Eternalize. was released on June 9, 2010.
Career
2007–2010
Aira Yūki debuted with the release of her first single on April 25, 2007, "Colorless Wind" as the opening theme for the anime Sola. The single went on to enter the Oricon charts eleven times with a peak ranking at 44th place. Her second single was released on August 8, 2007, with the title track, being the second opening theme for the anime Idolmaster Xenoglossia. The single charted four times with a peak ranking at number 49. Yūki released her third single on February 6, 2008, as the ending theme of True Tears. Like her second single, "Sekai no Namida" charted four times on the Oricon chart with the peak ranking at number 48. On July 2, 2008, she released her first album, Reflection. The album only entered the chart once, ranking at number 148.
There were no further releases from her until April 22, 2009, with her fourth single, "Blue sky, True Sky" being the first ending theme of the anime adaptation, Tears to Tiara. The single charted twice with a peak position at number 75. Yūki later joined 9 other female artistes from Lantis to perform at the Lantis Presents: twilight listening party vol.6 on July 25, 2009. "Weeping Alone", the second ending theme for Tears to Tiara was released on August 26, 2009. It charted once with the ranking at the 135th place. She released another single, "Dominant Space", on February 10, 2010, before releasing her second album. The single's title track was used as the second ending theme for the anime adaptation of Tatakau Shisho: The Book of Bantorra. The single only entered the Oricon charts once with a peak ranking at number 193. Her second album, Eternalize, was released on June 9, 2010. The album reached number 169.
Yūki released her seventh single on July 21, 2010. The title track was used as the first opening theme for the anime adaptation, The Legend of the Legendary Heroes. The single entered the Oricon charts five times and reached number 64. The single was an Oricon "Pick" on their 2010 Anime Theme Songs/Summer editorial. She also performed live at the first run of Lantis' "Rock'N Lan Carnival" together with Sayaka Sasaki, Yōsei Teikoku and Hironobu Kageyama. Yūki released her eighth single, , on October 27, 2010. The title track was the theme song for the OVA Armored Trooper Votoms Case;Irvine.
2011–present
As of February 2011, Yūki is currently involved in a unit called FairyStory with Yuuka Nanri. The unit already announced an album that was slated to be released in spring 2011. The unit were scheduled to perform at the Chiba TV Anime Carnival on April 3, 2011. Due to the 2011 Tōhoku earthquake and tsunami, the event and her appearance with Yuuka Nanri as FairyStory at the Chiba TV Anime Carnival has been suspended. To aid victims, Yūki has also appeared in a charity event, to raise funds for the victims of the disaster. She has been scheduled to appear at the charity live, that would raise funds to be sent to the education board of the elementary schools in Miyagi Prefecture, Iwate Prefecture, Aomori Prefecture and Fukushima Prefecture as well as elementary schools in Niigata Prefecture, Yamagata Prefecture and Gunma Prefecture.
She performed the ending theme of the first two episodes of Space Battleship Yamato 2199 titled, . On the July 17, 2012, broadcast of NozaP・Matsunaga Maho no Live Dog!, she announced her previous work as FictionJunction Asuka, who provided the vocals for "Everlasting Song", an insert song used in the anime Elemental Gelade. Prior to her debut as Aira Yūki, she was signed on to Zazzy, one of Being's independent label. She sang jazz covers of songs by Seiko Matsuda, Shikao Suga, Joni Mitchell, Carole King on iTunes Japan as . At the end of 2007, her songs, "Sweet Memories" and "It's Too Late" were picked as the best songs for the Jazz category for both Japanese and Western songs. Under Asuka Katō, she had released seven singles and one album.