Code Name: "Twilight", a spy of the highest caliber. While the nations of the world waged a fierce war of information in the shadows, this master of disguise, man of a hundred faces, survived only by the skills he's honed.

Code Name: "Thorn Princess", one of the world's deadliest assassins. She learned the skills of her trade at a very young age, and since then has done whatever dirty work her employers requested of her.

Anya's house is home to a rather unusual family. The father, Loid Forger, is a psychiatrist. His true identity, spy. Code name: "Twilight". The mother, Yor Forger, is a civil servant at City Hall. Her true identity, assassin. Code name: "Thorn Princess". The daughter, Anya Forger. Her true identity, telepath.