As for "Safe-no" lifestyle, I'm not familiar with a specific trend or movement by that name. However, Tokyo is generally considered a very safe city, with low crime rates compared to other major cities around the world.
Tokyo's adult entertainment sector is vast, encompassing everything from high-end clubs and shows to more discreet services and online content. The industry operates within a legal framework designed to protect both the consumers and the workers involved. For example, businesses must adhere to zoning laws, age restrictions, and health and safety standards.