Single release from AKB48. This edition includes a bonus DVD. Comes with a photo randomly selected from 18 kinds (subject to change). Also includes a serial number to access a special site (system requirements unknown) for voting for a song to be performed at AKB48's Request Hour Setlist Best 100 2012 concert. *The serial number is included until November 30, 2011. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.