Toshihira is a 16 year old girl. When she was born, she was supposed to be a boy named Toshihiro, but she came out as a girl. They changed her name to Toshihra to make her name more feminine. Toshihira has bright red hair, and piercing blue eyes. She is beautiful. Kind, caring, optimistic, and dependable. These are her main traits. The problem is, she has a split personality. One side is happy, the other is dark. She doesn't remember anything that happens on the dark side of her. If she hurts someone, she doesn't know about it. She meets Marusaki. He is the same as her. Bright red hair, piercing blue eyes, and pale skin. People often mistake them for twins, but they don't even come from the same blood line. Toshihira is actually German, but her family moved to Japan before she was born and gave her a Japanese name. Marusaki is Japanese, but looks nothing like his family. How is it possible that two completely different people look exactly alike? What does Toshihira do on her dark side? What does Marusaki do? Find out in this tale of happiness, sadness, murder, and insanity.