Single from KAT-TUN. The title song is used as the main theme song in the movie "Ore Ore" starring Kazuya Kamenashi. This edition features a song not inlcuded in other editions and includes a bonus DVD with a music video for the title song and its making-of. *CD cover artworks corresponding to all the editions are different from each other. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.