With one eye open, she can see heaven. With the other eye open, she can see the underworld. With both eyes open, she can see reality.As a girl that suddenly gains the power to see all three realms and travel about in them, Stella decide to investigate and figure out the truth regarding this world and the strange incidents happening. Through all the struggles and despair, will she be able to uncover the truth, save the world and perhaps find love? Or will she fail, dooming the world to end?