Kei is one of the two main protagonists in the anime series 'Dirty Pair.' As a member of the elite Trouble Consultant team known as the 'Lovely Angels,' Kei partners with Yuri to solve intergalactic crimes and tackle dangerous missions for the World Welfare Work Association (3WA). Kei is known for her fiery red hair, brash personality, and love for action, often taking a more direct and aggressive approach compared to her partner Yuri. Her dynamic with Yuri adds humor and excitement to the series.