Second single release from AFTERSCHOOL containing two songs. One of them is a Japanese original song (subject to change). This edition includes a bonus DVD with live footage performing "Diva" at Akasaka BLITZ on July 17, 2011 from "AFTERSCHOOL JAPAN PREMIUM PARTY - Bang! Bang! Bang!" and making-of movie ver. B. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.