It seems to be a sunny afternoon, right? The two protagonists, who had made an appointment to go play ball together after class, were swept by a sudden sleepiness. As their eyes opened and closed, the world became gloomy and terrifying. They seemed to have entered each of the overly real games, but the difference was that they would lose their lives at any time. What should they do to survive?
Concept: The two protagonists encounter difficulties and survive with strength