"He's not alone anymore. This is the story of a certain group of boys and girls on a certain endless summer day. No one understood them, and they had always felt very much alone. But each of them held within their eyes a strange power, and those powers led them to join the Mekakushi-dan. Now they're no longer alone, and together they'll try to solve the mystery of Kagerou Daze and whatever--or whoever--lurks behind it!"--