When Nao happens to run into his old classmate Siren during a bus ride, he has a bad intuition. This intuition proofs correctly, when suddenly, all the lights in the bus start flickering and everyone else disappears. Confused, the two young men try to leave the bus, only to realize, that it may not be so easy. And worse; they may not be alone. Will they find a way out before "it" swallows them whole?

When Nao happens to run into his old classmate Siren during a bus ride, he has a bad intuition. This intuition proofs correctly, when suddenly, all the lights in the bus start flickering and everyone else disappears. Confused, the two young men try to leave the bus, only to realize, that it may not be so easy. And worse; they may not be alone. Will they find a way out before "it" swallows them whole?