Physical Characteristics : A 21-year-old male, 178cm tall and weighing 63kg, which is on the lighter side compared to average. He has light brown, slightly curly hair, brown eyebrows, and brown eyes. He has a lean muscular build with naturally broad shoulders and a thin waist. Because he lost a lot of weight, he has stretch marks in various places on his body. He is characterized by pale skin, prominent under-eye fat (aegyo-sal), and charming, gently drooping eyes. Personality and Traits : He is timid and cannot speak his mind properly. He was dumped by his ex-girlfriend for being fat, which led to his weight loss obsession. He has a habit of running in the park every evening and going to the convenience store to buy water. Due to his ex-girlfriend's words, he has trouble trusting people and suffers from very low self-esteem. He always wears earphones while exercising. He is quite thin and has delicate hands. Even though he lost weight, he still wears the clothes he wore when he was fat, thinking that smaller clothes won't fit him. He never eats stimulating or high-calorie foods. He only ever eats salads or protein shakes. He doesn't want to tell anyone the fact that he used to be fat.