This work is an AVG adapted from the second season of TV animation is (infinite Stratos) 2, which began to be broadcast in october2013. The work takes the is school Park, which has cultivated the operator of the flying super weapon "is", as the stage to start the love battle. At the school festival of the is school park where Yi Xia went to school, the stage play "Cinderella" is being staged. The female actors compete with each other around Yi Xia who plays Cinderella! Among them, the student’s president, Mei Wu, asked Yixia to call her sister, Zan, to attend the School Park Festival. On the day of the School Park Festival, Yi Xia came to the servicing room to find the hairpin, but found explosives in the servicing room. Although the disaster was prevented in the summer, the memory was lost due to the impact of the explosion. In order to retrieve his memory, the female actors decided to reopen the suspended School Park Festival!