Hegemony told me to stay one night in a Japanese love hotel for the experience.
everything is done anonymously. nobody can see you, not even the cashier. you pay money in a vending machine and select your room by pressing a little button. then a room key will come out.
He taught me that "kochira rabu hoteru wa arimasu ka" means "are there any love hotels here?".

Hmm... water bed, why not? :)