Kurogane Private Academy for girls and Akadon Sports Academy for boy have been rivals over 20 years. What use to be a silent despise for each other has now turned into a war of pranks, with neither side really winning. It's now the begin of the new school year and two senior groups have come back to school with their guns loaded. However, when these two rivaling groups find out there has been a relationship going on between two of their members they decid to band together to break them up. Will they succeed in their prank? Or will this prank back fire on them?