A reborn person who keeps going back in a certain point of time, everytime he/she dies and and he/she would do anything to save this world, but everytime he/she do it, he/she it always failed and still kills himself/herself to go back and save the world again but still failed again this repeated until millions or even billions until he/she can't track the numbers of tries he/she finally saved the world.
Inside a highly advanced place there were many huge advanced computers and many different sizes of wires and at the center of it is a large capsule is a person sleeping and the person sleeping is the reborn person and he/she is just inside it experiencing what its like to be trapped inside a world that will constantly plunged him/her to suffering.