Reina von Stein was born the daughter of a noble family of the empire. Her free spirit and energetic personality seem to brighten up even those around her. She prefers a lelife of freedom as a mercenary over the suffocating lelife of an aristocrat. After working as a mercenary for a long time, and she's already lost all traces of her noble upbringing in her manners. Even as a child, she showed a natural talent with swords. Over the years, she developed her skills with a rapier, using a style that best suited her lithe physique. Recently, she turned down a strange contract. Ever since then, she has been feeling as elif someone has been following and watching her.