Shiwei Zhou is a Chinese-American writer of speculative fiction; her short stories can be found in khōréō and Diabolical Plots. She is a practicing infectious diseases physician, and lives in the Midwest with her family and a golden retriever named Mango. Her first story for Asimov’s is a cautionary tale about trying to part ways with the past. Be careful what you wish for when you visit … The Expurgator by Shiwei Zhou I was thirteen years old, visiting my grandmother—Nainai—in China when she took me to the expurgator for the first time. I had a bad case of near-sightedness,