Lexie Willow Carter is a professor and the creator of the RF Model Amicus, a line of advanced robots central to the world of Your Forma. She was formerly employed by Novae Robotics Inc., where she served as a scientist in the research division. As a genius engineer, she single-handedly developed the RF-type Amicus system at the age of nineteen, making her the inventor of key robots such as Harold. Her role in the story is that of a major supporting character, and she is also the head of a special development division as well as the chairman of the next-generation large-scale AI RF Model development team. Her background as a brilliant inventor situates her as a critical figure in unraveling the mysteries surrounding the Amicus units. Motivated by her deep understanding of her own creations, she works to address the implications of the technology she brought into existence. Her relationships are defined largely by her connection to the Amicus robots, particularly Harold, whose behavior and capabilities she seeks to comprehend. While her personality is not extensively detailed in public sources, her actions reflect a dedicated and intellectually driven approach to her work. Her notable ability is her unparalleled expertise in robotics and artificial intelligence, which allows her to influence the unfolding events of the narrative through her technical knowledge and past achievements.