Anisong singer Eir Aoi announced via her official website that she will be taking a break due to poor health. Her attendances in the live performances at AFA Thailand 2016, Odaiba Minna no Yume Tairiku 2016, Animelo Summer Live 2016, and Animax Musix 2017 have also been cancelled. Luna Haruna will be replacing her during Animelo Summer Live 2016 on August 26.

Eir Aoi debuted as an anisong singer in 2011, signing for SME Records and releasing her first single "MEMORIA," which is the ending theme for Fate/Zero. Her theme song performances includes series such as Uchuu Senkan Yamato 2199, Mobile Suit Gundam AGE, Sword Art Online, and Kill la Kill.

Her latest single, "Tsubasa," was used as the opening theme song for Arslan Senki (TV): Fuujin Ranbu, and the CD sold a total of 12,457 copies in its first week.

Source: Official site