・Setting
Behind the scenes of modern society lurk beings known as "Creatures," who wield inhuman supernatural powers. Among them, those who threaten people are called "Criminals," and they commit evil deeds. Recently, supernatural crimes have also come to be called Criminals. The state-supported security organization "Order," composed mainly of Creatures, continues to fight against Criminals.
you, a member of Order's Ideas Squad, is trusted by the members and bound to them by strong ties.
・Synopsis
Before they knew it, you and the others had fallen asleep inside the Shinkansen. And then, everyone gradually began to grow younger. At this rate, everyone will turn into children!!?