Twilight. The bridge between light and darkness, the only thing linking them together. Without twilight, light and dark would be separate. But of course, it's not nearly so simple as that.

"Bye Mom, bye Dad, see you when I get home." Luna said hurriedly, racing out the door with her backpack slung on her shoulders. She was staying at a friend's house for the week and she was, of course, really excited.

Luna was quite an unusual girl. She was quiet, intelligent, but quite positive and sparky at the same time. She wasn't afraid to speak her mind or correct people when they were wrong, which sometimes got her in a heap of trouble. She had a good sense of right and wrong too. And before I forget to say, she was often dreaming up her own worlds full of fantastical creatures and beautiful heroines who could always be counted on to do the right thing.

Luna decided the short way was the best option, since she was late already (even though she hadn't bothered to change out of her school uniform). It had been raining previously, but most of the puddles had already dried up. Except one, that no amount of sunshine seemed to be able to evaporate. There was a slight ripple to it as well, and if anyone else had bothered to look, they would have noticed the reflection wasn't the same as what was really there.

She noticed though. She knelt down next to it, brushing her fingers against the surface. Her fingertips didn't brush the ground, which struck her as odd. It only looked about a millimeter deep. She stuck her whole hand in, but still she didn't reach the bottom. She frowned, but her frown morphed into look of surprise as she felt another hand grab her wrist and yank her arm downwards, and straight through the puddle…