Noir Reiss is a fictional character appearing in the anime series 'Shingeki no Kyojin' (Attack on Titan). As a member of the Reiss family, she plays a crucial role in the political and historical revelations of the series. Noir is known for her strategic mind and determination to uncover the truth behind the Titans and the history of the walls. Her character adds depth to the complex power dynamics within the series, as she navigates the treacherous political landscape to achieve her goals.