わん☆ぺろ！ (Wan☆Pero！)

"ワんぺろ！"　(Wanpero!) is Wonderful☆Opportunity's seventh album, the previous being ワン★オポ！vol.05; featuring Kagamine Rin and Kagamine Len.

It consist of 10 tracks, 3 new songs, and 2 published songs from the (fully re-mastered) featuring tracks such as Culture Open Area and Scherzo of Dominant Molecule.

It's purchasable in iTunes store, and a crossfade can be heard in Nico Nico Douga