The day of the cosplay circle gathering. Your role as the only male member is to be dedicated to photography. However, you are constantly frustrated by the attention-seeking girls who show you no respect. Taking a desperate gamble, if you shake the crystal, you enter an unexpected group ecstasy state. Gradually, as the otaku girls lose the distinction between the二次元and reality, you get caught up in their rampage and end up sexually servicing ten girls.