When eraser didn't work, all remained was guilty. Yongsun couldn't find the undo button. It never existed, indeed. She wasn't able to face the universe she created. She didn't have the courage to look out.    "I'm not God, I don't want to be either."

The sound of friction by train wheel and railway drowned the voice of her saying something which I had heard a thousand times. Then, I only had the power to see her high heels tapping the ground.