The Reason I Became The Darkness Itself.
Having possession of the special eyes, "The Angel's sorrow" , Jared is able to see the end of the world, live in the days, and come back again with one eye gone. As young as he is, he just wishes to live a normal life with his older sister, even if it means working to his death.
But every time he lives all his days, it all leads to a devastating end. The world burns to ashes, the earth meets it's end.
He lives in those days, and the same thing happens over and over again, like a nightmare repeating itself over and over again.
He sought help from someone who also tends to be like him.
They try their best to dig into the mystery of this happening, and, to prevent that outcome from being.
Another mystery, why does his sister always end in the land of the dead, as the great sinners?