Erena Ono (ex. AKB48) debuts as a solo artist! Includes intro theme of TV series "Legal High." Type B edition comes with a photo book and a bonus DVD with photo book making-of plus a trading card randomly selected from 5 kinds. Cover artwork of type B features a photo of Erepyon in swimsuit. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.