Ryusei / Yakusoku - EP is the new album by Eir Aoi. It has been released on 2018-06-13 and contains 4 tracks. The last single from the album is Ryusei. You can download the album from the link below.
1 - Ryusei
2 - Yakusoku
3 - Hitokakerano Yuki
4 - Ryusei