When Kazuya was a child, he was abandoned by his Japanese parents in New York for the unsettling nature of his black eyes. With just a single glance, he can make anyone tremble before him, cast violent illusions, and make them do whatever he wishes. Now Kazuya uses this disturbing ability in his work as an assassin, and along with his wild and crazy-strong partner Keith, they eliminate the underground criminals of New York. But with each assignment, Kazuya finds himself in a constant struggle between killing and saving. What is truly the nature of his deadly eyes? Thus begins a romantic horror between light and darkness…!