Help me !

So me and this guy have been chatting for about a month but it’s purely casual and sexual. We are both looking for some fun and we have known each other for years. I did give him head about two weeks ago and then I went back to his and had sex on the weekend. But he is known for getting with girls in the club which is completely ok but i took his virginity. I want to ask him if this is gonna be a casual friends with benefits type of thing or just a one off. Because for my sake I would like to know but I don’t how to ask without sounding desperate. Someone please help x