I spend most of my nights in Seoul trying to stay sober with customer's entertainments..
In Gangnam there are many love hotels andoutside you find many biz cards on the floor for call in...any bro called any..never tried one..but stayed in love hotel before : )
Anyway..any bro dare to try this, got it from a ctc:
http://escortseoul.org/
Note: Me have not tried this before..would love a FR from bros here...