Alright first off, I'm plating a girl from work. It's just a part time retail gig while at school. Already know the consequences etc and don't care about the job.

Her BFF is another girl that works there too, they usually go out clubbing etc together, and the plate has invited me out with them before, but I usually just ignore.

I perform pretty well in bed with the plate, she's always coming back for more and saying how good it is. Pretty sure her BFF is fully aware since girls always talk, anyways how can I proceed to turn it into a 3 some? I've seen some stuff for having the plate bring it up to the other girl and convince her. Should I go clubbing with them some time and see if I can get the seed planted?

Thanks for anyone's help in advance.