Thirty-seventh single of Arashi is an up-tempo rock song and is the theme song of the TV drama series "Lucky Seven" starring Jun Matsumoto. This edition includes "Wild At Heart" and a new song (A). Also comes with a bonus DVD with a music video of "Wild At Heart" and a 16-page booklet with lyrics. *Cover artworks are different for the limited edition and regular edition. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.