In this new title, the player enters the into a world of their own creation, where the order of the days is the order of the sun. Day 1 is morning, Day 2 is noon, and so on. The player is required to enter data into a computer every day, and if they happen to die, their world is turned into a mess. They must start all over again. The playercontrolled subarashiki kono Sekai is called upon to help the victim, who seems to be anything but happy with the world they are in. The kono Sekai tries to help them find the source of their problems, but is himself the target of a conspiracy. As he responds to the victim's problems, he realizes that the order of the days is the order of the sun, and the player's day is the day after his. With the help of the kono Sekai and his friends, the victim can help him turn the world into a better place.