Unko Shiratori, a 29-year-old single temporary Office Lady and the unluckiest woman in the world, finds herself entangled in organized crime—. One day, she reunites with her first love, Hiro, and is at the peak of happiness. However, that was only the beginning of despair. A man named Kuroda suddenly appears, followed by violence, organ trafficking, and even murder... Will the two of them be able to grasp happiness!?