Sa Dan, a female killer. She was an orphan since she was a child, living on a street in New York. She was discovered by a scientist ten years ago. A group of men started a series of tortures on her, and she lived an unhappy life ever since. Later, she traveled to another world. Can she find her happiness here?
There are all kinds of boys, the talkative type, the macho type, the gentle and considerate type. Who will she choose to spend her whole life with?