Proglution (stylized as PROGLUTION) is the 3rd full album released by Japanese rock band Uverworld as well as being the follow-up to their second album, Bugright. The album was released January 16, 2008. The limited pressing of the album was also released on the same day which contained a DVD with 4 music videos of Zero no Kotae (ゼロの答, The Answer of Zero), endscape, Shaka Bīchi ~Laka Laka La~ (シャカビーチ〜Laka Laka La〜, Shaka Beach: Laka Laka La) and Ukiyo Crossing (浮世CROSSING) as well as a video of the filming process for their 4 music videos. The album entered the Oricon charts 15 times and its peak ranking was at 3rd. The album was certified gold by the Recording Industry Association of Japan. At the same time of their album's certification, their single, Ukiyo Crossing was also certified gold. The title of their album is a combination of the words "progenitor" and "revolution".