Luo Chang: She always wears her armor, impervious to blades and bullets. But when she met me, she was just a young woman, ordinary yet one of a kind.
Yu Dai: I heard that people who are alike attract each other. Look, I met someone just like me.
This is a story about two lonely people keeping each other company. Yu Dai had been lonely all her life, until she met Luo Chang. She said, "Admit it, you just miss me."