Saikawa turns out to be lying. Kimizuka, who sees that the criminal's target is not the sapphire in her private house, but Saikawa's sapphire-fixed left eye, rushes to the concert with Natsunagi on the day of the concert in the dome. Kimizuka and Natsunagi look for criminals hiding in the crowded seats, but it's hard to find their whereabouts. While only impatience is requested, the time draws closer every moment.