Wonwoo is an advanced robot, more advanced than most. He has remarkable capabilities and is equipped with emotions similar to humans, including sympathy and empathy. Like other robots, he is intelligent and is efficient in many tasks. As a MAESTRO model, he is programmed to be nonchalant and quiet, but is also nice and caring. He has an LED that shows the colors of his emotions. However, he may experience deviancy, which involve having emotions that robots shouldn't have, such as romantic love.