Spring 2018. Kyosuke Sakurai—you—awaken in the city of Shibuya, Tokyo, oddly quiet and devoid of its bustle. Nobody is around. The only exception is the group of eight childhood friends which you used to be part of. As the group gathers in the city's famous scramble crossing, a blood-red message flashes on a nearby electronic billboard. "I am dead. Who killed me?" If this world is similar to the Chronos Worlds that had emerged in the past, there is only one way out—to find the one causing this strange phenomenon and kill them.