Single release from Watari Roka Hashiri Tai 7 consisting of five members of Watari Roka Hashiri Tai and Mika Komori & Misaki Iwasa of AKB48. Limited edition B includes a bonus DVD with music video and more (different contents from Type B). *Track 3 is different among each edition. *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.