Japan’s sprawling sex industry is thought to be worth ¥2trn-5trn ($12bn-31bn) a year. Lately a debate has raged over how the work is policed https://www.economist.com/asia/2026/06/04/sex-tourists-fuel-outrage-about-vice-in-japan?taid=6a5d813975540e00017f6882&utm_campaign=editorial-social&utm_content=discovery.content&utm_medium=social-media.content.np&utm_source=twitter