Rain was beating down on the streets of Shinjuku. It was a crisp spring night in March, right when winter was finally releasing Japan from its icy grips, but its frigid air still lingered. Kazuko sat in her office, her chair turned to face the floor-to-ceiling windows that overlooked the city. Her eyes were closed as she listened to the pitter patter of the rain hitting the glass, and the sound of her light clicking open and shut. The peace was interrupted by a soft knock on the door before it pushed open. Only one fool would enter without her permission.