Bidirectional Series

The Bidirectional Series (双向系列 Shuāngxiàng Xìliè) is a group of songs by JUSF and Sya.

Read more about the Bidirectional Series on the Vocaloid Wikia

All items (10)

• #
• A
• B
• C
• D
• E
• F
• G
• H
• I
• J
• K
• L
• M
• N
• O
• P
• Q
• R
• S
• T
• U
• V
• W
• X
• Y
• Z
• Other