平行四界×轻文轻小说 EP Vol. 1 (Píngxíng Sì Jiè × Qīngwén Qīng Xiǎoshuō EP Vol. 1)

"Píngxíng Sì Jiè × Qīng Wén Qīng Xiǎoshuō EP Vol. 1 " is a collaboration album and light novel series between Quadimension and Qingwen She. The album features Stardust and is the first volume of the series. It consists of four original songs.

The crossfade could be heard on bilibili and the album could be purchased on taobao.