彩菜 (Ayana, born December 29) is a former member of the I've Sound circle and vocalist of the band Blue Velvet. She is best known for singing "Last Regrets", the opening theme song for the Japanese video game/visual novel and animated series Kanon. Among her non-I've Sound related solo works include "Sunagin", the opening theme song for the adult video game Aka. Read more on Last.fm