Hokuto Kuzuhara is a delinquent known throughout Sekai Private Academy. His way of life being so hated by his family that they give him an ultimatum: find a girlfriend within a year or move out. That said, though, months pass and he still has had no luck and it seems like he never will. It is then during this predicament that he is approached by the student council vice president with a plan that would both save him from moving out... As well as help her with her revenge.
The emergence of a mysterious young judoka, Yanagi Hana, who defeated world class judoka Ida Keiji, will be taking part in the Judos fest in Yahara Village, the mysterious village of Judo he comes from.