简介
This is the 4th single of Sayu. Whatever you go through a tough time, you can live if you find a tiny "hope". I hope everyone can find your own "hope".
This is the 4th single of Sayu. Whatever you go through a tough time, you can live if you find a tiny "hope". I hope everyone can find your own "hope".
![螺旋境界线-[Helix horizon]](http://y.gtimg.cn/music/photo_new/T002R90x90M000001pfsQP0c1Xg5.jpg?max_age=2592000)
