Okoi Nekomata is a mysterious and agile character from the game 'Muramasa: The Demon Blade'. She takes on the form of a cat-like demon, known as a nekomata, and is known for her quick reflexes and deadly combat skills. Throughout the game, Okoi plays the role of an enigmatic ally and occasional adversary to the protagonists, Kisuke and Momohime. Her backstory is shrouded in mystery, and she embodies themes of duality and transformation, exhibiting both human and supernatural traits. Okoi's presence adds depth and intrigue to the game's narrative.