Gaining page like for adult content.

Hi guys.
So i have a new website with facebook page and i am wondering what is the best way to gain likes?
It's adult content and i don't wanna use any of those free websites that gets you likes without use.
I want real likes from people who really want it.

Any suggestions are welcome

join add me/ sexy groups and share content from your page to the groups is the simpliest way. Make girls accounts , add friends and invite all to like the page
Buy adult likes. Do s4s with similar pages and on and on