“Ryuusei” is song recorded by Aoi Eir. It was released digitally ahead of her 14th single “Ryuusei / Yakusoku”. The song was used as the opening theme for the anime Sword Art Online Alternative Gun Gale Online and is the fifth song of Aoi Eir for the SAO franchise.
Released Date: 2018.04.22
1.Ryuusei (流星; Meteor)