Solo debut single of Yuki Kashiwagi (AKB48) features the theme of TV series "Mierino Kashiwagi." Comes with a bonus DVD, a trading card randomly selected from six kinds and application card (valid only in Japan). Contents of CD and DVD corresponding to type A, B, and C and are partially different from each other, and cover artwroks of limited and regular editions are also different from each other. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.