Ayana is a Japanese singer-songwriter. She debuted in 1999 as the singer of the opening and ending themes to Key's visual novel Kanon. In 2000, she formed the two-member group Blue Velvet with Shūichi Aoki. She later became a guest vocalist for I've Sound and appeared at the Nippon Budokan on October 15, 2005, at the I've concert "I've in Budokan 2005: Open the Birth Gate", where she sang two songs: a remix version of "Verge" and the normal version of "Last regrets". In 2006, Ayana sang the remix version of Kanon's opening and ending themes on the single "Last regrets / Kaze no Tadoritsuku Basho". On June 20, 2007, she held her first live concert at Roppongi in Tokyo. In October 2007, Ayana reported on her blog that she was married and was pregnant. She gave birth to a son on March 31, 2008.