Every large metropolitan cities in Japan have some districts that are for "drinking" and other adult activities for young an old.
Something you might find interesting.
Prostitution is illegal in Japan but you really have to understand the definition of prostitution which is illigal. Prostitution in Japan is defined as intercourse between men and woman. So, anything other than the actual intercourse between men and woman are illegal in Japan. So, there are businesses in Japan that may be considered prostitution anywhere offering other services.
Here are some of the business names.
- Fuzoku Esthetics
- Delivery Health