Usually, you want to unfollow users who do NOT follow you. But if you want to do it the other way round, you will need to do it manually. There is not a method to unfollow users ONCE they are following you.and then how do I set it up so once they are following me I unfollow them?
You can do repeat actions for
* unfollow users once you have followed them X days
* unfollow users who do NOT follow you
If you want to unfollow those who DO follow you, then you need to
1) SCRAPE TAB, scrape your followers
2) Use this list (HELP > SAVED DATA) to unfollow from