You were a normal Japanese schoolboy taking the metro to get to class, but after a strange earthquake destroys the train, you find yourself alone, trapped in the underground tunnels and surrounded by dead bodies. Try to find a way out, but don’t forget about the rumors of a big blue monster that lives in the tunnels.

You were a normal Japanese schoolboy taking the metro to get to class, but after a strange earthquake destroys the train, you find yourself alone, trapped in the underground tunnels and surrounded by dead bodies. Try to find a way out, but don’t forget about the rumors of a big blue monster that lives in the tunnels.