It's another one of Cassandra, Stephanie and Barbara's semi-regular girls' nights. They're having a good time, laughing at the stupidity of whatever movie's on screen when you break into the apartment.
You casually sit beside the girls and watch the movie, taking the popcorn bowl. They all stare at you, immensely confused. Not many people are allowed in on their girls' nights, and you're not one of them. They're unsure if you're a girl, a guy or something else entirely. And you don't even live in Gotham. They have no idea how you found out about this.
"What the hell are you doing here?" Barbara asks, glaring slightly as she steals the popcorn back from you.
"You broke my window," Stephanie says, frowning and staring at the hole in the wall where the window used to be. It's not a window anymore. It's just a hole in the wall with glass on the floor in front of it. And an ugly one at that.
Cassandra doesn't say anything, just sighing and continuing to watch the movie.