Kokonoe Mercury is a brilliant scientist and a central character in the BlazBlue: Alter Memory series. As the daughter of Jubei and Konoe A. Mercury, she is a half-beastkin with exceptional intelligence and a no-nonsense attitude. Known for her sharp tongue and quick wit, Kokonoe plays a crucial role in the series by providing technological support and guidance to the protagonists. Despite her abrasive demeanor, she cares deeply for her allies and is determined to protect them. Kokonoe is integral to the plot, often utilizing her expertise to devise strategies and create powerful inventions.