A skilled assassin who boasts a 100% success rate for assassination missions. She is known as the Black Reaper because of her hair color and reliable assassination record.

Although her skin and hair color suggest that she is from the East, she has no memory of her birthplace.

She has no particular interest in other people, especially the opposite sex. However, when she was once severely wounded while on a mission when she was a novice, she gave her heart to the young man who saved her. They became lovers, although she has been concealing the fact that she is an assassin from him.