March 2011: Yamaguchi Shuu, Shimizu Wataru, Ryuuzaki Akihiko and Doi Souji are four dance-loving second year students who timeslip 25 years on the rooftop of Hanayagi High School. There they meet Yamaguchi Noriaki, Tanno Fumiya, Hayashi Isamu and Reisen Masakatsu, four Hanayagi High School second years of 1986, who also love to dance. The eight boys bond, and for the sake of Noriaki's girlfriend, Minami, who wants to study abroad, they decided to put on a dance show.