Not anal related, but i had a good time at https://www.suwonbangkok.com/

Nice modern facilities, big compound. Cute and friendly receptionist.

Includes unlimited sauna use, 60 mins thai massage (seperate masseuse) and 40mins sex (can pay more for additional time). Had a nice girl with a slim lean body who had a real good DT.

5000 THB all included, worth a visit imo as this type of thing doesn't exist in Sydney.