Ryohei Arisu (Kento Yamazaki) is an unemployed young man, whose life has not been very happy. One day, a mysterious light appears and, afterwards. everybody disappears except for Ryohei Arisu and his two friends. Tokyo is completely empty. Ryohei Arisu and his two friends are forced to take part in a survival game with their lives at stake. There, Ryohei Arisu meets Yuzuha Usagi (Tao Tsuchiya).