The world's energy is depleted, and the "new human" group is rising, and there seems to be an undercurrent surging behind it. In order to save his life, he humiliated himself behind the "lighthouse", climbing up step by step, but he never knew why the attempts of new humans always stopped before dawn. Later, he finally realized that what they lacked was the determination to protect their loved ones. (Everything in the story is purely ...... Invent! Pure fiction! Pure fiction!!