This article tells the story of two boys who were locked in their own worlds and knocked on each other's doors. Liang Zhi: "By the way, how about you call me Azhi?" A Liang looked into the boy's eyes and smiled silly, as if he had the most beautiful name in the world. This is his name, but no one has ever called it or remembered it. Shi Sheng: He escaped from the hospital again and again and was caught back again and again. He can no longer remember why he ran away. He only remembers one name, Ah Zhi, Ah Zhi...