I am interested and found this article;

How would you get into a hostess club? To gain entrance to one of these places as a foreigner is a little harder. Here are the ways you might gain entrance:

-Your Japanese is extremely proficient
-You are with a Japanese friend
-You know the owner
-You know a host
-You have a friend who has been before
-You have a friend who extremely proficient at Japanese
-You have a talking dog, which is extremely proficient in Japanese

Once in you may be given the option to chose a girl or take any girl. Choosing a girl will generally be more expensive. I wouldn’t really know which option to recommend. Then once in you may be given a choice to sit at the front or in the back room. The back room is more expensive – about 5 to 7, thousand yen an hour. (Prices will varying depending on club and location.) In the front room it will be about 3000 an hour.

Sometimes you may be able to drink for free! Nomihodai style. This depends on the per hour charge. You can drink for free but your host cannot every drink you buy for her or him (there are male hosts too) will be extremely expensive. The host will pour your drinks and cht to you and in theory that is all. You may wonder what’s all this backroom business then? Well the backroom tends to be a little more private.
All the hostess business comes from the Geisha tradition. Geisha were not prostitutes – rather they were entertainers. Though if they did like a client – then eventually they may sleep with him. Hostess exist in this similar limbo. I know a Canadian girl who lived in Toyko with her boyfriend. She supported them both by working as a hostess. All she did was pour drinks – she didn’t even speak much Japanese. Instead men, usually elderly important business types, would come and have her pour drinks an she would be bought champagne (which she often disposed of by pouring into a near by plant pot). Nothing untoward ever happened.

Most hostess clubs have strict rules – about fraternizing with clientele but the boundaries are fuzzy. A male friend who attended some of the local hosting clubs went to the backroom area. Basically this was all kissing and heavy petting. If you frequent hostess clubs often you may eventually get a hostess that deals with you. I imagine most of these long term relationships do end in sex. Hostess clubs fill their own particular Japanese niche. There are faster ways to have sex in Japan – prostitution seems to be legal here or at least restrictions are not enforced.


Funny! Iku from TMC who became Maki at Ginza/TC also worked there as did Nice Impact, one of my all time favourites from TMC!
I can sort of see how many J girls could have transitioned from here to Tmc and Ginza.