Lee Ki-joo realized that to escape his miserable life as an outcast, he needed a girlfriend. But the girl he fell for at first sight just happened to be the daughter of a boxing gym owner. While trying to turn his life around by getting a girlfriend, Lee Ki-joo instead begins to fall for the true charm of boxing in the ring. “Endurance doesn’t just come naturally!” The story of an outcast’s life-changing journey through boxing!