WAN★OPO! THE BEST OF BEST!! (ワン★オポ! THE BEST OF BEST!!)

'WAN★OPO! THE BEST OF BEST (ワン★オポ! THE BEST OF BEST!!') is a compilation album featuring Wonderful★Opprtunity!'s most notable works. It consist of 18 songs, featuring exclusively Kagamine Rin and Len.

It is Wan★Opo's first major album. The official website can be found here, a crossfade can be seen here.

The album can be purchased on amazon.co.jp and cdJapan.