BB Parallel World (BBパラレルワールド, BB Parareru Wārudo) is the fourth studio album released by An Cafe on September 9, 2009, in Japan and on October 2, 2009, in Europe.

A limited edition was released as well, containing an additional DVD with several music videos.

The album peaked at No.

20 on the Japanese albums chart.

[1] All lyrics are written by Miku