Cloudtop Town is a moving story that spans childhood innocence, the wounds of youth, and the ethics of technology. Set in Cloudtop Town, perpetually shrouded in rime, it follows Gu Xinheng and Sheng Qing, whose bond and journey toward redemption begin when they meet at the age of seven. Childhood friends, they endure separation and reunion, the dark days of school bullying, the warmth of protecting one another, and a promise to face the future together. But just as Gu Xinheng reaches the height of his career in AI, Sheng Qing dies saving him, shattering the world he had painstakingly rebuilt.
Afterward, Gu Xinheng becomes consumed by an unhealthy obsession, trying to use technology to recreate the love he has lost, yet never managing to fill the void deep in his soul. In the end, he returns to town with an AI robot identical to Sheng Qing and, before the snow-covered mountains and her tombstone, performs a ritual of longing, remorse, and eternal farewell. With delicate prose, the story explores how traumatic memories shape human nature, the boundary between genuine emotion and artificial consciousness, and the ultimate meaning of love and sacrifice. Some warmth cannot be simulated by code; some regrets can only be sealed away forever in the snow and ice.