Eir Aoi is a Japanese singer and songwriter known for her contributions to the anime music scene. Born on November 30, 1993, in Sapporo, Hokkaido, she gained popularity for her powerful vocals and emotional performances. Eir Aoi made her debut in 2011 and quickly became recognized for her songs featured in various anime series, including Sword Art Online and Fate/Zero. In addition to her anime work, Eir Aoi has released several albums and singles, showcasing her versatility as an artist. Her music often blends elements of pop and rock, appealing to a wide audience. Eir Aoi's dedication to her craft has earned her a loyal fanbase both in Japan and internationally.