@Qira_adan well you say that but reality is a tad bit different I do know one Indonesian guy who has sex friends and he does know a lot about where to find prostitute (even those you can find in Japan he speaks Japanese and I did meet him in twitcast a Japanese dominant site)
I mean Indonesia used to have the biggest red light district in SEA and seems like +18 FB groups is the main way for indonesian’s to find “dates” in the internet
What I do know is that some cities are not as strict as others in Indonesia to be specific bigger once have more of those stuff hidden but they do happen. I mean just google where the nearest red light district on your place then maybe you can find friends that will introduce you to their “date” FB group or whatever heck maybe one of your friends is in on it already I know some of my friends are part of those groups (not Indonesian btw)
Google always has the answer.