The story is an intense mystery about Teru Aoki (Tsumabuki) who is returning home on the bullet train from a class trip with his teacher and classmates. While the train is passing through a tunnel, the train runs off the tracks and crashes. Everyone aboard the train except Teru seems to have died in the accident. However, while Teru stumbles around through the darkness and the rubble, one of his female classmates, Ako Seto (SAYAKA) grabs his ankle. Apparently she is one of the rare survivors of the crash. When they finally escape the dark and deadly tunnel, they discover a world of mass destruction. Unaware of what happened or the cause of the destruction, they must struggle to survive in an unforgiving enviroment, which resembles an apocalyptic Tokyo.

Cast
Satoshi Tsumabuki - Teru Aoki
Sayaka - Ako Seto
Takayuki Yamada - Nobuo Takahashi
Naohito Fujiki
Yoshimasa Kondo - Iwata
Kyusaku Shimada - Minila
Minori Terada - Andou