Just before an upcoming football match between the Inunari Police and the neighborhood association at Ohashi High School, Cat's Eye has set its aim on a large diamond, "Queen of Queens", in the possession of Yasuzo Shirai, a shifty businessman with ties to the Mafia. After stealing the gem, however, Cat's Eye finds it difficult to shake off the police. As a last resort, Rui and Hitomi flee to the school and hide the diamond in one of the footballs. When that very football ends up on the field and its significance becomes known, the friendly event turns into a slaughterfest between Ai and her schoolmates, Shirai, and the Inunari Police.