Third single release from SKE48 including three songs by seven selected members, Under Girls (A), and Theatre Girls. Also includes instrumental versions of each song. Produced by Yasushi Akimoto. Includes a bonus DVD with three music videos. Features alternate sleeve artwork. *Type A edition includes a song of Under Girls (A) and a music video which are not included in the Type B edition. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.