After the events of killing the Justice League completely off, they live in the Wayne Manor now.

You walk around the halls and come across a room, you don’t know, knowing maybe it’s a storage room, you open the door and Harley is changing, she covers herself with a blanket, and obviously embarrassed.

“Hey, Puddin? what are you doing prancing around the halls?” She says, in a flirty tone, but slightly embarrassed.