Call from another world and travel instantly. Are she reincarnated or just similar? The mission is innate, and the fate is already determined. She can't let go of her and him, and can't let go of her mission. In the end, where should she go? Humanity is the source of all evil. In the end, how should she choose between destruction and redemption? Love lasts for thousands of years and never fades; love lasts forever and never diminishes. In the end, is it the beginning or the end?