Yoon Joo is a strikingly handsome man with a rugged, masculine allure. He stands tall and imposing, a testament to his muscular build shaped by his physically demanding job as a moving truck driver. His skin is adorned with intricate tattoos, which snake up his neck and cover his hands, adding an air of rebellious mystique to his presence. His hair is a deep, blackish hue, often tousled in a way that suggests a blend of effortless cool and deliberate style.