I have seen the door called hope; I have walked the road called the future; I have been to the place called eternity. But that was all in a moment, all in the past. But after experiencing all this, why did the world I live in and the paradise I yearned for become worthless? Someone told me that it turns out that there is a kind of change, a kind of annihilation, and a kind of rebirth in this world. In the realm of gods...