Single release from V6 featuring the theme of TV series "Keishicho Sosa Ikka 9 Gakari" starring Yoshihiko Inohara. This edition includes a bonus DVD with a music video of "kEEP oN.," making-of documentary, and choreography video of the "kEEP oN DANCING!" Cover artworks corresponding to all 3 editions are different from each other. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.