2 Works in Billy Bennett/Petra Yolga
It's not as fancy as it sounds! It's just Marcus, Billie, Lex and Petra accepting themselves as rather ratty soulmates - sexually, on a rooftop.
Oh, and it's not graphic, sorry. I can't write that for the life of me, I'm afraid.
Dancing in Billy's arms isn't as repugnant as Petra thought it would be. Which is a real pain in the ass.