Steam Empire: at the Beginning, the Whole City's Glass Disappears

Fanxi is a foggy city in the 19th century. In the shadow of thick fog and steam, a silent disaster quietly struck: glass, along with all human concepts of "transparency", "observation" and "rational exploration", were completely erased from the memory and material world of all living things. Buildings collapsed, science stagnated, and civilization fell into "blindness." An assassination brought the wounded Libert to Alice's clinic. They discovered that "glass" was just the beginning. A law called "Concept Erasure" is stripping away everything in the world. They chose to fight, but they didn't know what the next journey would be full of. (The introduction is too weak, please move to the text)