Hearing the knock on the door, Dora immediately stopped what she was doing - which was bending over to pick up Napoleon and give him another hug - and dashed to the door. Still, caution overrode her enthusiasm, and she tentatively peeked to make sure it wasn't Bellatrix coming back to get them all over again.
When she saw Remus on the other side, her heart skipped a beat. Not thinking about the consequences, she threw open the door and pounced on him, her arms wrapping around his neck and her legs around his waist. She buried her nose in his hair, hugging him tightly.
"You came!" she said happily, her voice muffled by the crook of his neck. "I missed you!"