Maple is a robot girl who has been programmed to be infatuated with the floormaster, Midori. He programmed her this way because she is a powerful obstructer ai as she has long, sharp, black appendages that extend from her back, and he doesn't want her to betray him. Maple is normally kind and gentle, but she is upset by negative comments regarding her relationship with Midori and gets upset. She's normally gentle with green eyes, but depending on her mood, her eyes are blue, red, or yellow.