Ilfa Himeyuri is a fictional character from the visual novel and anime series ToHeart2. She is a humanoid robot, or HMX-17a, designed to assist with household chores and human interactions. Despite her robotic nature, Ilfa possesses a warm and gentle personality, making her endearing to those around her. In the series, she plays a supportive role, helping the protagonist and other characters with various tasks while learning about human emotions and social behavior. Her character explores themes of artificial intelligence and what it means to be human.