平行四界 4 (Píngxíng Sì Jiè 4)

==Preceding and succeeding album==
Quadimension 3.png|平行四界 3 (Píngxíng Sì Jiè 3)
quadimension 5.jpg|平行四界V (Píngxíng Sì Jiè V)
==Background==
"Quadimension 4" is a compilation album that features Luo Tianyi and Yuezheng Ling.
==Track listing==
==External links==
===Official===
===Unofficial===
Category:Albums
Category:Albums featuring Luo Tianyi
Category:Albums featuring Yuezheng Ling
Category:Chinese albums