Nano Shinonome is a central character in the anime series 'Nichijou'. She is a humanoid robot created by the child genius Professor Hakase Shinonome. Despite being a robot, Nano longs to live a normal human life and is often self-conscious about the wind-up key on her back, which she considers embarrassing. Throughout the series, Nano is seen trying to blend in with humans and deal with her creator's whimsical upgrades. Her interactions with friends and her quest for normalcy provide much of the humor and heart in the series, making her a beloved character.