There was a similarity in how the girl spoke that automaticly almost, had made Eponine offer her a place to wait out the rain. She'd been at the party so she was safe and besides which she looked like she'd been drinking so Eponine was hardly going to let her wander unfamiliar streets alone when they were in fact at war given that doing so back home had gotten her killed.
"You'll come back to the Inn then Ginger, even until this dies down. I can make you tea if you'd like. And I'm sure we can find you something to wear. You must be cold with the rain." And of course the very little she seemed to be wearing but that was the night it had become. "The Complex is walkable but it would take time and the rain doesn't look like its dying down. If you really want to though, I'll walk you back there. You are still wearing your amulet aren't you?" It was of course important that she was, even in this kind of situation. Eponine might have been downhearted, depressed even. But she was still going to keep herself and anyone that might cross her path safe.
It would give her something to think about besides how stupid she'd been.
"I know why I left early." she began softly by way of conversation. "But why did you?"