He is the main character of the second arc of the story though serves to start the plot for the first arc. Most of the time Jung-Woo is very passive, showing no emotion unless he's engaged in a fight. Despite his frail appearance, he is relatively physically strong, which takes his opponents off guard. His most defining feature is that he looks a lot like a female, especially later on when he grows his hair out. He has an intense affinity towards dogs as when he was young he found a stray he later named Ghost though it died after it got run over by a car.