At the Mikasanomiya dance competition in Yokohama, Hiroshi and his partner, Ken, compete in their first dance of the day, the "tenpei cup" . After the first dance, they are interrupted by the entrance of the second team, which is led by a young man named Kishu, who is dancing with a girl named Gaju akagi. The young man, wearing a T-shirt with a picture of a snake on it, is a member of the "mikasanomiya" team, a group of professional dancers who compete in a variety of dance contests throughout the year