Misa Takatsuki is the mother of Ryo Takatsuki and the wife of Iwao Takatsuki in Project ARMS. To the outside world, she appears to be a simple housewife, but she harbors a concealed past as a legendary female mercenary known by the codenames Laughing Panther and Cackling Hell Witch. Alongside her husband, she accumulated extensive battle experience and was declared dead thirteen times before ultimately retiring from the life of warfare to settle down and raise her son. Her personality is that of a calm and supportive mother, yet she retains the sharp instincts and resilience forged on the battlefield. Her primary motivation is to protect her family and help her son and his allies survive the conflict against the Egrigori organization. In the story, she serves as a supporting figure who uses her combat expertise and strategic knowledge to assist Ryo and the other ARMS subjects, quietly training Ryo in survival techniques, martial arts, and strategy from a young age. Her key relationships are with her husband Iwao, with whom she shares a deep bond forged in wartime, and her son Ryo, whom she is determined to safeguard. Over the course of the narrative, she develops from a retired mercenary hiding her abilities into an active participant in the struggle, providing crucial aid and guidance. Her notable abilities include mastery of a wide range of combat skills, survival tactics, and strategic planning, making her a formidable ally despite her domestic facade.