Nanase’s younger sister, Kuyou, returns to Japan from America where she and their parents have been living. When Kuyou goes to school with Tomokazu and Mone, Tomokazu finds himself facing an irate Mister Ishikari and his fellow male students ready to pulverize him on the field playing dodge ball. A dodge ball game gone bad sends Tomokazu back to the dream world where he finds Kuyou has also entered where the enemy is waiting and where new transformations take place.