"Píngxíng Sì Jiè 3" (Quadimension 3) is a compilation album featuring Luo Tianyi, Yuezheng Ling, and Yuzuki Yukari's vocals. It contains nine tracks. It is the first album in the series featuring Ling and Yukari.

The crossfade could be heard from bilibili.

It could be purchased from taobao.

Quadimension 3
Released July 15, 2015
Producer Various
Price 50-90 RMB
Label Quadimension
Track list
1. 粉色柠檬
Fěnsè Níngméng / Pink Lemon
Senjougahara Yousei feat. Luo Tianyi, Yuezheng Ling
2. Princess Syndrome
Kagome-P feat. Luo Tianyi and Yuzuki Yukari
3. Scarlet Drop
Rosary feat. Yuezheng Ling
St.K4N3 feat. Luo Tianyi
ZOMiG feat. Luo Tianyi
6. 共鸣曲
Gòngmíng Qǔ
Li Zong feat. Luo Tianyi
7. 梨花泽泽远山远
Líhuā Zé Zé Yuǎn Shān Yuǎn
Melo feat. Luo Tianyi
8. 渊之心
Yuān zhī Xīn / Heart of the Abyss
Zeno feat. Yuezheng Ling
9. Seattle 物语 II
Seattle Wùyǔ II / Seattle Story II
ddickky feat. Luo Tianyi, Yuezheng Ling
Quadimension 2
Píngxíng Sì Jiè 2 (平行四界 2)
Quadimension 4
Píngxíng Sì Jiè 4 (平行四界 4)