Greatest hits album from Watariroka Hashiritai, a unit from AKB48. Includes 11 tracks from their singles, seven solo tracks sung by Mayu Watanabe and Aika Oota included in the singles as B-side tracks, and five tracks included only in the previous album (23 tracks total). This edition also includes the complete 23 B-side tracks of their singles and comes with two bonus DVDs featuring music videos of title songs of the singles, dance versions of music video and more. Also includes a 52-page photo book (subject to change). Comes with an application card (valid only in Japan). *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.