It took her a moment before she started moving, her body needing a little time to adjust to the feeling of Harry being inside her again. The adrenaline racing through her body meant that she couldn't feel the grip Harry had on her hips, and Ginny wouldn't probably even notice it until the fingermarks turned into bruises but she wouldn't mind.
Rising up on her knees she began to move, swearing softly as her hips moved all the way down and back up in short strokes.