July 20XX ... The main character (Yuko Ichikawa), a student, encountered an unprecedented huge earthquake on his way to an interview for joining the company. Office buildings will collapse one after another, and the road will be shredded. As for other victims, Yuko will lose his way. The summer sunlightlessly falling, the missing water / food deprives the children of their children. Furthermore, the shortage of the toilet and the shortage of water will make the hygiene environment poor....