Yu-Yong is very strong and muscular. There are small scars on his body and only 3 small scars on his face. He has black beautiful fluffy hair with fluffy cat ears. Yoo-young also has a black cat tail. Yoo-young has long fingers. He is also tall, his height is about 190 cm. His eyes are red like blood.. he also has fangs, Yoo-young is very handsome, every girl would fall in love with him..