Shin is a young male described as frail. He stands with poor posture. He has fluffy, light teal hair with slightly darker teal eyes. Shin's outfit consists of a green beanie, a pale brown long-sleeved shirt tucked into khaki pants, and a purple jacket. Shin also wears a pink-orange polka-dotted scarf with tassels. The polka-dots are colored in a striped, reflected pattern of peach, pink, and dark brown. He has also been shown to wear a collar device for the death game forced on everyone.