A young man who is new to the world, hesitant and confused. I have been trying my best to find the so-called self, but I have always been lost in a real and unfamiliar self. After pulling off the heavy shell on his body and tearing off the disguised mask on his face, he realized how humble and insignificant he was. After experiencing all kinds of things, he finally gained more courage to face this society and began to slowly transform until he broke out of his cocoon and was reborn. On the cruel stage of life, a beautiful and gorgeous story is performed.