New single release from Guardians 4, a special unit made up of Aika Mitsui from Morning Musume, Yurina Kumai, Risako Sugaya from Berryz Kobo and Saki Nakajima from C-ute. Includes intro theme to the anime series "Shugo Chara!! Doki." Limited edition includes bonus DVD with making-of footage (subject to change). *The DVD disc is encoded for region 2 (Japan, Europe, and Middle East), and no subtitles are included.