Twelfth single from Hey! Say! JUMP features a song "AinoArika," which is the main theme song of TV series "Dark System Koi no Oza Ketteisen" starring Hikaru Yaotome and Kei Inoo. Comes with a bonus DVD featuring a video clip of "Aisureba Motto Happy Life" and making-of. The cover artwork is different from other editions. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.